Allele, any one of two or more genes that may occur alternatively at a given site (locus) on a chromosome. allele. masc. proteins. To understand this in detail, we must first appreciate some basic genetic vocabulary and concepts. Les allèles occupent la même position (locus) sur les chromosomes homologues. Originally: a hereditary unit which occupies a specific position on a chromosome.Other definitions are ways the gene showed itself: 1. Here, we provide definitions for the terms genotype and phenotype, discuss their relationship and take a look at why and how we might choose to study them. There can be several variations of this sequence, and each of these is … YourDictionary definition and usage example. By Tara Rodden Robinson . Définition allèle dans le dictionnaire de définitions Reverso, synonymes, voir aussi 'allée',allégé',allélo',allélique', expressions, conjugaison, exemples Sens 1. Une des différentes formes que peut prendre un même gène. An example of an allele is the gene that determines hair color. How to use allele in a sentence. Allèle dominant : définition, synonymes, citations, traduction dans le dictionnaire de la langue française. Biologie. An allele is a specific form of a gene. What is an Allele? Does that sound confusing? Version d'un gène occupant … allele definition: The definition of alleles are pairs or series of genes on a chromosome that determine the hereditary characteristics. If they are heterozygous with a dominant allele, the appearance is the same as a dominant homozygote. allèle , adjectif. From Genetics For Dummies, 3rd Edition. dominant allele synonyms, dominant allele pronunciation, dominant allele translation, English dictionary definition of dominant allele. gène allélomorphe (infra): Les gènes de l'espèce, ou du moins un bon nombre d'entre eux, peuvent exister sous deux ou plusieurs états différents; deux gènes de même fonction mais d'effet dissemblable sont dits allélomorphes, ou allèles... L. Cuénot, J. Rostand, Introduction à la génétique, 1936, p. 13. Recessive Allele Definition. In a dominant/recessive relationship between two alleles, the recessive allele’s effects are masked by the more dramatic effects of the dominant allele. Quick Definition Stated Clearly. Définitions. Allele. (noun) An example of an allele is the gene that determines hair color. Example sentences with the word allele. Define dominant allele. Etymologically, it came from the Greek “genos”, meaning “race” and Latin “typus”, meaning “type”. The pattern of inheritance of recessive genes is quite simple. Allèle dominant: définition. BIOL. But when you get a handle on some key terms and concepts, including the structure of DNA and the laws of inheritance, you can start putting the pieces together for a better understanding of genetics. Toute reproduction ou représentation totale ou partielle de ce site par quelque procédé que ce soit, sans autorisation expresse, est interdite. Recessive Allele. Allèle - Définition; Groupe sanguin allele - Guide ; Allèle rhésus dominant - Forum - Santé; Ce document intitulé « Allèle - Définition » issu de Journal des Femmes (sante-medecine.journaldesfemmes.fr) est soumis au droit d'auteur. The dominant allele for a trait completely masks the recessive allele for that trait. For example, the genes for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r). ... An allele is an alternate version of a gene. Allèle Glossaire : santé Définition du terme Allèle : Notre patrimoine génétique est composé de gènes portés sur 22 paires de chromosomes appelés autosomes et une paire de chromosomes sexuels appelés gonosomes (XX chez la femme, XY chez l'homme). Un allèle dominant qualifie l'allèle qui l'emporte sur l'allèle associé. ... English dictionary definition of dominant allele. In biology and genetics, the term “genotype” refers to the entire genetic makeup of a cell, an organism, or an individual. If so, don't worry. The word “genotypic” pertains to, relates to, or characterizes genotype. An allele that is masked when a dominant allele is present. Allele definition is - any of the alternative forms of a gene that may occur at a given locus. [ (ul- leel) ] The sequence of nucleotides on a DNA molecule that constitutes the form of a gene at a specific spot or a chromosome. Alleles on each of a pair of chromosomes are called homozygous if they are similar to each other and … Genes code for. ALLÈLE, subst. 123 These organisms are called diploid.

That region is called a locus.