codominant gene
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Gene — The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a function. An official definition: According to the official Guidelines for Human Gene Nomenclature, a gene is defined as a DNA segment that… … Medical dictionary
ESD (gene) — Esterase D/formylglutathione hydrolase, also known as ESD, is a human gene.cite web | title = Entrez Gene: ESD esterase D/formylglutathione hydrolase| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=2098|… … Wikipedia
MN gene — The MN blood group in humans is under the control of a pair of co dominant alleles, LMand LN.Most people in the Eskimo population are M/M, while this genotype is rare among Aborigines. In fact, they tend to possess the opposite genotype (N/N).The … Wikipedia
Major histocompatibility complex — The major histocompatibility complex (MHC) is a large genomic region or gene family found in most vertebrates that encodes MHC molecules. MHC molecules play an important role in the immune system and autoimmunity. Proteins are continually… … Wikipedia
Allele — One of the different forms of a gene that can exist at a single locus (spot on a chromosome). Also one of the different forms of any segment of a chromosome. * * * Any one of a series of two or more different genes that may occupy the same locus… … Medical dictionary
Trait — In genetics, a trait refers to any genetically determined characteristic. In technical terms, a genetic trait is amenable to segregation analysis rather than quantitative analysis. A dominant lethal trait is a trait that is expressed if present… … Medical dictionary
allele — allelic /euh lee lik, euh lel ik/, adj. allelism, n. /euh leel /, n. Genetics. any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation. [1930 35; < G Allel, appar. as shortening of G… … Universalium
heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… … Universalium
Duffy antigen system — Duffy blood group, chemokine receptor Identifiers Symbols DARC; CCBP1; CD234; Dfy; FY; GPD External IDs … Wikipedia
PHÉNOTYPE ET GÉNOTYPE — Les croisements entre individus d’une même espèce engendrent toujours des êtres de cette espèce: les caractères spécifiques, c’est à dire ceux qui permettent de reconnaître qu’un individu appartient à une certaine espèce, sont donc héréditaires.… … Encyclopédie Universelle
