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Location of a gene or region on a chromosome
In genetics, a locus (pl.: loci) is a specific, fixed position on a chromosome where a particular gene or genetic marker is located. Each chromosome carries
Locus_(genetics)
Genetics responsible for the appearance of a cat's fur
sex-linked orange locus: mapping of orange, multiple origins and epistasis over nonagouti". Genetics. 181 (4): 1415–1425. doi:10.1534/genetics.108.095240. PMC 2666509
Cat_coat_genetics
Topics referred to by the same term
definable unit in stratigraphy Locus (genetics), the position of a gene or other significant sequence on a chromosome Locus (rhetoric), another name for
Locus
One gene variant masking the effect of another in the other copy of the gene
2250 – Principles of Genetics". Memorial University of Newfoundland. Online Mendelian Inheritance in Man (OMIM): Hemoglobin—Beta Locus; HBB - 141900 — Sickle-Cell
Dominance_(genetics)
Genetics behind dog coat
B-Locus. Tan points with eumelanin lightened to brown. Dogs portal Labrador Retriever coat colour genetics Cat coat genetics Equine coat color genetics
Dog_coat_genetics
Variant of DNA sequence at a locus
inactive. For example, at the gene locus for the ABO blood type carbohydrate antigens in humans, classical genetics recognizes three alleles, IA, IB, and
Allele
Subfield of genetics
Population genetics is a subfield of genetics that deals with genetic differences within and among populations, and is a part of evolutionary biology.
Population_genetics
DNA locus associated with variation in a quantitative trait
A quantitative trait locus (QTL) is a locus (section of DNA) that correlates with variation of a quantitative trait in the phenotype of a population of
Quantitative_trait_locus
Horse coat color
"red", is caused by one of two recessive alleles at the extension locus (genetics). Extension has three known alleles: the wildtype "E", necessary for
Chestnut_(horse_color)
Genetics behind Labrador Retriever coat colour
Agouti. The E locus also determines whether the phenotype due to the third genetic locus affecting coat colour will be evident. This locus is recognised
Labrador Retriever coat colour genetics
Labrador_Retriever_coat_colour_genetics
Genetics behind the equine coat color
of the grey coat colour locus to microsatellites on horse chromosome 25: Linkage mapping of horse grey locus". Animal Genetics. 33 (5): 329–337. doi:10
Equine_coat_color_genetics
Type of pattern of inheritance
the phenotype. An example in dog coat genetics is the homozygosity with the allele "e e" on the Extension-locus making it impossible to produce any other
Non-Mendelian_inheritance
Science of genes, heredity and variation
Genetics is the study of genes, genetic variation, and heredity in organisms. It is an important branch in biology because heredity is vital to organisms'
Genetics
DNA molecule containing genetic material of a cell
Chromomere Cohesin Epigenetics Genetic genealogy Lampbrush chromosome Locus (genetics) – explains gene location nomenclature Minichromosome Neochromosome
Chromosome
Type of biological inheritance
inheritance by Thomas Hunt Morgan in 1915, they became the core of classical genetics. Ronald Fisher combined these ideas with the theory of natural selection
Mendelian_inheritance
Classification of blood types
1993). "Felix Bernstein and the first human marker locus". Genetics. 133 (1): 4–7. doi:10.1093/genetics/133.1.4. PMC 1205297. PMID 8417988. Morgan WT, Watkins
ABO_blood_group_system
Breed of rabbit
Rabbits Is Caused by a 12.1 kb Deletion at the HMGA2 Locus". Genetics. 205 (2): 955–965. doi:10.1534/genetics.116.196667. ISSN 1943-2631. PMC 5289862. PMID 27986804
Netherland_Dwarf_rabbit
Genetic segments that can enhance their own transmission at the expense of other genes
Deletion Mapping and Dosage Analysis of the SD Locus". Genetics. 103 (4): 659–73. doi:10.1093/genetics/103.4.659. PMC 1202047. PMID 17246120. Brittnacher
Selfish_genetic_element
Passing of traits to offspring from the species' parents or ancestor
of a DNA sequence within a chromosome is known as a locus. If the DNA sequence at a particular locus varies between individuals, the different forms of
Heredity
Relative frequency of a variant of a gene at a particular locus in a population
frequencies. In population genetics, allele frequencies are used to describe the amount of variation at a particular locus or across multiple loci. When
Allele_frequency
syndrome Library (genetics) Ligase Cell line Genetic linkage Linkage analysis Linkage equilibrium Linkage group Linkage map Linking number Locus Lod score Lod
Index_of_genetics_articles
Gene responsible for color variations in many species
the agouti locus in the mouse". Nature Genetics. 23 (3): 314–318. doi:10.1038/15490. PMID 10545949. S2CID 21512043. "Dog Coat Colour Genetics". www.doggenetics
Agouti_coloration_genetics
Human skin color
polymorphism at the human melanocortin 1 receptor locus". Genetics. 151 (4): 1547–1557. doi:10.1093/genetics/151.4.1547. ISSN 0016-6731. PMC 1460552. PMID 10101176
Dark_skin
Degree of similarity of the alleles in an organism
same, the organism is homozygous at that locus. If they are different, the organism is heterozygous at that locus. If one allele is missing, it is hemizygous
Zygosity
Dependence of a gene mutation's phenotype on mutations in other genes
which is an interaction between alleles at the same gene locus. As the study of genetics developed, and with the advent of molecular biology, epistasis
Epistasis
diploid organism, having two different alleles at a given genetic locus. In genetics shorthand, heterozygous genotypes are represented by a pair of non-matching
Glossary of genetics and evolutionary biology
Glossary_of_genetics_and_evolutionary_biology
Biological process of yeast
transcriptional repression at the HMR locus, cell growth and telomere structure". Genetics. 141 (3): 873–888. doi:10.1093/genetics/141.3.873. ISSN 1943-2631. PMC 1206851
Mating_of_yeast
System for describing human chromosomes
human mitotic chromosomes." The Lancet 275.7133 (1960): 1063-1065. Locus (genetics) Cytogenetic notation Slovak M.L., Theisen A., Shaffer L.G. (2013)
International System for Human Cytogenomic Nomenclature
International_System_for_Human_Cytogenomic_Nomenclature
Domestic cat with distinctive coat markings
classic (or blotched), ticked, and spotted. Each is linked to specific genetics. "Tabby" is not a breed of cat but a coat pattern. It is common among non-pedigree
Tabby_cat
Genetic condition involving hearing loss and depigmentation
R. (1994-09-01). "A locus for Waardenburg syndrome type II maps to chromosome 1p13.3-2.1". American Journal of Human Genetics. 55 (Suppl.3). OSTI 133315
Waardenburg_syndrome
The human β-globin locus is a cluster of genes located on chromosome 11. It is responsible for creating the β-chains found in hemoglobin. This cluster
Human_β-globin_locus
Hierarchical outline list of articles related to genetics
Microbial genetics Molecular genetics Neurogenetics Population genetics Plant genetics Psychiatric genetics Quantitative genetics Statistical genetics Evolutionary
Outline_of_genetics
Genomic loci that explain variation in gene expression levels
An expression quantitative trait locus (eQTL) is a type of quantitative trait locus (QTL), a genomic locus (region of DNA) that is associated with phenotypic
Expression quantitative trait loci
Expression_quantitative_trait_loci
Mathematical estimate of inbreeding
individual is. Specifically, it is the probability that two alleles at any locus in an individual are identical by descent from a common ancestor of the
Coefficient_of_inbreeding
(2014-12-09). "Locus heterogeneity disease genes encode proteins with high interconnectivity in the human protein interaction network". Frontiers in Genetics. 5:
Locus_heterogeneity
Species having two or more distinct forms
of Genetics, pp. 335–336. London: Allen & Unwin. Charlesworth, D; B Charlesworth (1975). "Theoretical genetics of Batesian mimicry I. single-locus models"
Polymorphism_(biology)
available at the same locus; or genes at other loci might act as modifiers. We do not, of course, know anything about the genetics of the original melanics
List_of_polymorphisms
Genes on human chromosome 6
encoded by HLA-DPA1 locus β-chain encoded by HLA-DPB1 locus HLA-DQ α-chain encoded by HLA-DQA1 locus β-chain encoded by HLA-DQB1 locus HLA-DR α-chain encoded
Human_leukocyte_antigen
Symbols and abbreviations used in cytogenetics
abnormalities Directionality (molecular biology) for 3' and 5' notation locus (genetics) for basic notational system "Cytogenetics Basics | Wisconsin State
Cytogenetic_notation
Colouration of animal coat/fur
extremities are colder than the rest of the body which is why they darken. The C locus in mammals is most often associated with the TYR gene, which controls the
Acromelanism
Relevance of genotype to race classification
Researchers have investigated the relationship between race and genetics as part of efforts to understand how biology may or may not contribute to human
Race_and_genetics
Changes to DNA with no overall impact
to the ability of an organism to survive and reproduce. In population genetics, mutations in which natural selection does not affect the spread of the
Neutral_mutation
Change in a gene pool
In population genetics, fixation is the change in a gene pool from a situation where there exist at least two variants of a particular gene (allele) in
Fixation (population genetics)
Fixation_(population_genetics)
Taxonomic description
In genetics, two organisms that differ in only one locus and a linked segment of chromosome are defined as congenic. Similarly, organisms that are coisogenic
Congenic
German mathematician (1878–1956)
(1993). "Felix Bernstein and the first human marker locus". Genetics. 133 (1): 4–7. doi:10.1093/genetics/133.1.4. PMC 1205297. PMID 8417988. O'Connor, John
Felix Bernstein (mathematician)
Felix_Bernstein_(mathematician)
Alteration in the nucleotide sequence of a genome
many traits are determined by hundreds of genes (or loci), so that each locus has only a minor effect. For instance, human height is determined by hundreds
Mutation
Gene locus
GNAS complex locus is a gene locus in humans. Its main product is the heterotrimeric G-protein alpha subunit Gs-α, a key component of G protein-coupled
GNAS_complex_locus
Genetic marker commonly used in human genetics investigations
Reference Project: a major locus for PTC taste ability on chromosome 7q and a secondary locus on chromosome 16p". Human Genetics. 112 (5–6): 567–572. doi:10
PTC_tasting
Genetic boundary element that blocks the interaction between enhancers and promoters
β-globin locus. The CTCF insulator is especially important in vertebrates, while the gypsy insulator is implicated in Drosophila. The β-globin locus was first
Insulator_(genetics)
Cat with a three colored coat
very distinct fur coat. Calico cats are almost always female because the locus of the gene for the orange/non-orange coloring is on the X chromosome. In
Calico_cat
Member of a group of interacting genes
that such a gene is identified, it is referred to as a quantitative trait locus (QTL). These genes are generally pleiotropic as well. The genes that contribute
Polygene
Rare genetic disease
Washington, Seattle. PMID 20301719. Retrieved 6 September 2016. "MED12 - Genetics Home Reference". U.S. National Library of Medicine. Retrieved 6 September
FG_syndrome
Indian population geneticist (1946–2018)
distribution of single locus heterozygosity. He also contributed to the development of the two main mutation models in population genetics: the infinite alleles
Ranajit_Chakraborty
Group of genes from one parent
chromosome (imputation). Such information is critical for investigating the genetics of common diseases; which have been investigated in humans by the International
Haplotype
American geneticist (1893–1974)
Dorothea (1977). "L.C. Dunn and His Contribution to T-Locus Genetics". Annual Review of Genetics. 11 (1). Annual Reviews: 1–12. doi:10.1146/annurev.ge
L._C._Dunn
In population genetics, a protected polymorphism is a mechanism that maintains multiple alleles at a certain locus. In detail, any of the several alleles
Protected_polymorphism
Term in biology
alleles on both loci are different. For example, if there are 3 alleles per locus, then there would be 9 mating types, each of which can mate with 4 other
Mating_type
serotonin transporter locus (SLC6A4) confers susceptibility to autism and rigid-compulsive behaviors". American Journal of Human Genetics. 77 (2): 265–79.
Heritability_of_autism
Relation between obesity and genetic factors
dietary conditions. The percentage of obesity that can be attributed to genetics varies widely, depending on the population examined, from 6% to 85%, with
Genetics_of_obesity
Mammalian protein found in Homo sapiens
globins in the β-globin locus is controlled by single locus control region (LCR), the most important regulatory element in the locus located upstream of the
Hemoglobin_subunit_beta
Technique used to identify individuals via DNA characteristics
certain number of repeats at one locus does not change the likelihood of having any number of repeats at any other locus), the product rule for probabilities
DNA_profiling
for similarities using principal component analysis (PCA) for the HLA-A locus exhibited by the Mayan population. Results plot close similarities with
Mayan_genetics
Interbreeding between isolated populations
In genetics and evolutionary biology, genetic admixture occurs when previously isolated populations of organisms interbreed, resulting in a population
Genetic_admixture
Physical anomaly involving extra fingers or toes
gene. In cattle, it appears to be polygenic with a dominant gene at one locus and a homozygous recessive at another. Polydactyly is believed to have been
Polydactyly
Medical condition
Type OMIM Gene Locus SCKL1 210600 ATR 3q23 SCKL2 606744 RBBP8 18q11 SCKL4 613676 CENPJ 13q12 SCKL5 613823 CEP152 15q21.1 SCKL6 614728 CEP63 3q22.2 SCKL7
Seckel_syndrome
Expression of genes depending on parentage
solely conceptual. The idea is frameworked using two alleles on a single locus and hosts three different possible classes of genotypes. The reciprocal
Genomic_imprinting
association analyses identifies a susceptibility locus for tuberculosis on chromosome 18q11.2". Nature Genetics. 42 (9): 739–41. doi:10.1038/ng.639. PMC 4975513
Genetics_of_tuberculosis
Expected reproductive success
Fitness (often denoted w {\displaystyle w} or ω in population genetics models) is a quantitative representation of what tends to be favored by natural
Fitness_(biology)
Biological lab technique
if the disease exhibits locus heterogeneity. Hartwell LH, Hood L, Goldberg ML, Reynolds AE, Silver LM, Veres RC (2008). Genetics: from genes to genomes
Genetic_screen
Principles of Genetics is a genetics textbook authored by Robert H. Tamarin, an emeritus professor of biology, published by McGraw-Hill Publishers, London
Principles_of_genetics
Stratification of a genetic population based on allele frequencies
reason, population structure is a common confounding variable in medical genetics studies, and accounting for and controlling its effect is important in
Population structure (genetics)
Population_structure_(genetics)
Coat color characterized by progressive depigmentation of the colored hairs of the coat
Equine coat color genetics Locke, MM; MCT Penedo; SJ Brickker; LV Millon; JD Murray (2002). "Linkage of the grey coat colour locus to microsatellites
Gray_horse
Influence of a single gene on multiple phenotypic traits
"Genuine" pleiotropy is when two distinct primary products arise from one locus. "Spurious" pleiotropy, on the other hand, is either when one primary product
Pleiotropy
Long-range cis-regulatory element in DNA
A locus control region (LCR) is a long-range cis-regulatory element that enhances expression of linked genes at distal chromatin sites. It functions in
Locus_control_region
Model for tracing the history of genetic variation
groups in the early 1980s as a natural extension of classical population genetics theory and models,[1][2][3][4] but can be primarily attributed to John
Coalescent_theory
Indirect selection process in breeding
locus (QTL) of interest, due to genetic linkage (close proximity, on the chromosome, of the marker locus and the disease resistance-determining locus)
Marker-assisted_selection
Rabbits Is Caused by a 12.1 kb Deletion at the HMGA2 Locus". Genetics. 205 (2): 955–965. doi:10.1534/genetics.116.196667. ISSN 0016-6731. PMC 5289862. PMID 27986804
Lethal_dwarfism_in_rabbits
Medical condition
Type OMIM Gene Locus LI1 242300 TGM1 14 LI2 601277 ABCA12 2q34 LI3 604777 CYP4F22 19p13.12 LI5 606545 CERS3 15q26.3
Lamellar_ichthyosis
2020 novel by Silvia Moreno-Garcia
won multiple literary awards, including the Aurora Award for Best Novel, Locus Award for Best Horror Novel, and British Fantasy Award for Best Horror Novel;
Mexican_Gothic
Condition of fingers or toes being fused together at birth
Liang D, Wu L, et al. (2007). "A syndactyly type IV locus maps to 7q36". Journal of Human Genetics. 52 (6): 561–4. doi:10.1007/s10038-007-0150-5. PMID 17476456
Syndactyly
Medical condition caused by chromosomal abnormality
1968 by American physician Angelo DiGeorge. In late 1981, the underlying genetics were determined. The features of this syndrome vary widely, even among
DiGeorge_syndrome
Autosomal recessive conditions that affect ethnic Jews more frequently
The medical genetics of Jews have been studied to identify and prevent some rare genetic diseases that, while still rare, are more common than average
Medical_genetics_of_Jews
Repeating sequences of 2–13 base pairs of DNA
a given trait or disease. Microsatellites are also used in population genetics to measure levels of relatedness between subspecies, groups and individuals
Microsatellite
Specialized region in genomes of some yeast
The mating-type locus is a specialized region in the genomes of some yeast and other fungi, usually organized into heterochromatin and possessing unique
Mating-type_locus
Selective removal of alleles that are deleterious
mutations. Purging of deleterious alleles can be achieved on the population genetics level, with as little as a single point mutation being the unit of selection
Negative selection (natural selection)
Negative_selection_(natural_selection)
Phenomenon in which different mutations at the same locus cause the same phenotype
heterogeneity is the phenomenon in which different mutations at the same locus lead to the same or very similar phenotypes. These allelic variations can
Allelic_heterogeneity
Branch of genetics
Classical genetics is the branch of genetics based solely on visible results of reproductive acts. It is the oldest discipline in the field of genetics, going
Classical_genetics
Horse coat color pattern
(2002). "Linkage of the grey coat colour locus to microsatellites on horse chromosome 25". Animal Genetics. 33 (5): 329–337. doi:10.1046/j.1365-2052
Roan_(horse)
human KvLQT1 locus identified by screening for differentially expressed transcripts using monochromosomal hybrids". Human Molecular Genetics. 8 (7): 1209–1217
KCNQ1OT1
Medical condition
Sex chromosome anomalies XX male syndrome "Swyer Syndrome". MedlinePlus Genetics. Taneja, Jyoti; Ogutu, David; Ah-Moye, Michael (18 October 2016). "Rare
XY_gonadal_dysgenesis
Molecular genetics approach
Forward genetics is a molecular genetics approach of determining the genetic basis responsible for a phenotype. Forward genetics provides an unbiased approach
Forward_genetics
Mechanism of evolution by differential reproduction
develop modern theories of genetics. The union of traditional Darwinian evolution with subsequent discoveries in classical genetics formed the modern synthesis
Natural_selection
Human eyelid appearance
etc.). Regarding the genetic mechanism of monolids, classical medical genetics has often regarded it as an autosomal recessive trait controlled by a single
Monolids
Genetic condition involving facial, heart, blood and skeletal features
management, and treatment". American Journal of Medical Genetics Part C: Seminars in Medical Genetics. 184 (1): 73–80. doi:10.1002/ajmg.c.31765. ISSN 1552-4868
Noonan_syndrome
Principle in genetics
In population genetics, the Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype
Hardy–Weinberg_principle
Process of locating specific genes
Genes are designated to a specific location on a chromosome known as the locus and can be used as molecular markers to find the distance between other
Gene_mapping
American geneticist
variation and haplotype structure at the human HFE locus". Genetics. 161 (4): 1609–1623. doi:10.1093/genetics/161.4.1609. PMC 1462210. PMID 12196404. Jakob
Martin_Kreitman
Mammalian protein found in Homo sapiens
Human Molecular Genetics. 8 (3): 533–542. doi:10.1093/hmg/8.3.533. PMID 9949213. Brilliant MH (1992). "The mouse pink-eyed dilution locus: a model for aspects
HERC2
Difference in DNA among individuals or populations
protein electrophoresis. Polymorphic genes have more than one allele at each locus. Half of the genes that code for enzymes in insects and plants may be polymorphic
Genetic_variation
was intended to be analogous to the fixation index for a single genetic locus (FST). QST is often compared with FST of neutral loci to test if variation
QST_(genetics)
LOCUS GENETICS
LOCUS GENETICS
Girl/Female
Hindu
Lotus stalk, Lotus stem, Lotus
Girl/Female
Australian, Chinese, Dutch, Vietnamese
Lotus Flower; Lotus
Boy/Male
Latin
Friend of Hercules.
Girl/Female
Tamil
Lotus stalk, Lotus stem, Lotus
Girl/Female
Tamil
Ekagratha | à®à®•ாகà¯à®°à®¤à®¾
Focus
Ekagratha | à®à®•ாகà¯à®°à®¤à®¾
Girl/Female
Greek Egyptian
Flower.
Boy/Male
Tamil
Lotus
Female
English
English name derived from the flower name, from Latin lotus, from Greek lotos, a name for various kinds of plants before it came to designate the Egyptian "white lotus." The Greek word may ultimately come from Hebrew lowt, LOTUS means "covering, veil."
Boy/Male
Tamil
Lotus
Girl/Female
Hindu
Lotus stalk, Lotus stem, Lotus
Girl/Female
Tamil
Mrinalika | மரநாலிகா
Lotus stalk, Lotus stem, Lotus
Mrinalika | மரநாலிகா
Boy/Male
Tamil
Pankajam | பநà¯à®•ாஜம
Lotus
Pankajam | பநà¯à®•ாஜம
Boy/Male
Tamil
Lotus
Girl/Female
Tamil
Focus
Boy/Male
Tamil
Lotus
Boy/Male
Tamil
Lotus
Boy/Male
Tamil
Lotus
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu, Traditional
Lotus Eyes; Lotus Eyed
Boy/Male
Latin
Friend of Hercules.
Girl/Female
African, Australian, Christian, Danish, Greek
Dreamlike; Lotus Flower
LOCUS GENETICS
LOCUS GENETICS
Surname or Lastname
English
English : variant spelling of Lawrence.French : from the female personal name Laurence, a feminine equivalent of Lawrence.
Girl/Female
Hindu
Thirsty, Silver
Girl/Female
Latin American Spanish
Brings joy.
Girl/Female
Arabic, German, Kurdish, Muslim, Pakistani, Russian, Turkish
Cut
Girl/Female
Hindu, Indian
Merciful
Male
Italian
 Italian and Spanish form of Latin Anacletus, ANACLETO means "called back; invoked."
Girl/Female
Arabic, Hindu, Indian, Muslim
Pretty Face
Boy/Male
Australian, Hindu, Indian
Graceful
Female
Persian/Iranian
(مهشید) Persian name MAHSHID means "moonlight."
Girl/Female
Hindu, Indian
After Sunset Timing
LOCUS GENETICS
LOCUS GENETICS
LOCUS GENETICS
LOCUS GENETICS
LOCUS GENETICS
n.
A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror.
n.
A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant.
n.
The lotus of the lotuseaters, probably a tree found in Northern Africa, Sicily, Portugal, and Spain (Zizyphus Lotus), the fruit of which is mildly sweet. It was fabled by the ancients to make strangers who ate of it forget their native country, or lose all desire to return to it.
n.
Love locks.
n.
The Lotus corniculatus.
n.
The locust tree. See Locust Tree (definition, note, and phrases).
n. pl.
A people visited by Ulysses in his wanderings. They subsisted on the lotus. See Lotus (b), and Lotus-eater.
pl.
of Locus
n.
See Lotus.
v. t.
To bring to a focus; to focus; to concentrate.
n.
A place; a locality.
pl.
of Focus
pl.
of Locus
n.
The line traced by a point which varies its position according to some determinate law; the surface described by a point or line that moves according to a given law.
v. t.
To bring to a focus; to focalize; as, to focus a camera.
p. pr. & vb. n.
of Focus
n.
A name of several kinds of water lilies; as Nelumbium speciosum, used in religious ceremonies, anciently in Egypt, and to this day in Asia; Nelumbium luteum, the American lotus; and Nymphaea Lotus and N. caerulea, the respectively white-flowered and blue-flowered lotus of modern Egypt, which, with Nelumbium speciosum, are figured on its ancient monuments.
pl.
of Focus
imp. & p. p.
of Focus
n.
A genus (Lotus) of leguminous plants much resembling clover.