recessive genes

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• Human disorders attributable to a single pair of recessive genes — ▪ Table Human disorders attributable to a single pair of recessive genes trait conspicuous signs albinism lack of pigment in skin, hair, and eyes, with significant visual problems Tay Sachs disease listlessness, seizures, blindness, death in… …   Universalium

• Recessive — A trait that is evident only when one copy of the gene for it is inherited from each of the parents. * * * 1. Drawing away; receding. 2. In genetics, denoting a trait due to a particular allele or alleles at a single locus that does not manifest… …   Medical dictionary

• recessive — I. adjective Date: circa 1673 1. a. tending to recede b. withdrawn 2 2. a. producing little or no phenotypic effect when occurring in heterozygous condition with a contrasting allele < recessive genes > b. expressed only when the determining gene …   New Collegiate Dictionary

• Recessive — Re*ces sive (r[ e]*s[e^]s s[i^]v), a. 1. Going back; receding. [1913 Webster] 2. (Genetics) Not appearing in the phenotype unless both alleles of the organism have the same trait; of genetic characteristics, or of the genes coding for such… …   The Collaborative International Dictionary of English

• Recessive, autosomal — A genetic condition that appears only in individuals who have received two copies of an autosomal gene, one copy from each parent. The gene is on an autosome, a nonsex chromosome. The parents are carriers who have only one copy of the gene and do …   Medical dictionary

• Gènes — Gène Pour les articles homonymes, voir Gène (homonymie). Représentation simplifiée d un gène d eucaryote. Un gène est une séquence d acide désoxyrib …   Wikipédia en Français

• recessive — [[t]rɪse̱sɪv[/t]] ADJ: usu ADJ n A recessive gene produces a particular characteristic only if a person has two of these genes, one from each parent. Compare dominant. [TECHNICAL] It s possible for two brown eyed parents to have a child with blue …   English dictionary

• recessive — adjective 1》 Genetics relating to or denoting heritable characteristics controlled by genes which are expressed in offspring only when inherited from both parents. Often contrasted with dominant. 2》 undergoing an economic recession. 3》 Phonetics… …   English new terms dictionary

• recessive — adjective technical a recessive physical feature is passed to children from their parents only if both parents have this feature in their genes …   Longman dictionary of contemporary English

• Transmission autosomique recessive — Transmission autosomique récessive Une maladie génétique est dite de transmission autosomique récessive quand le gène anormal est sur un chromosome non sexuel (ni X, ni Y) la présence de deux gènes anormaux est indispensable pour que la maladie s …   Wikipédia en Français

• Transmission recessive liee a l'X — Transmission récessive liée à l X Une maladie génétique est dite de transmission récessive liée à l X quand : le gène anormal est sur le chromosome sexuel X la présence d un seul gène anormal est suffisante pour que la maladie s exprime chez …   Wikipédia en Français