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dominant |
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dominant /dom·i·nant/ (dom´ĭ-nant)
1. exerting a ruling or controlling influence. 2. in genetics, capable of expression when carried by only one of a pair of homologous chromosomes. 3. a dominant allele or trait.
dominant [dom′inənt] Etymology: L, dominari, to rule 1 exerting a ruling or controlling influence. 2 in genetics, capable of expression when carried by only one of a pair of homologous chromosomes. 3 in coronary artery anatomy, supplying the posterior diaphragmatic part of the interventricular septum and the diaphragmatic surface of the left ventricle; said of the right and left coronary arteries. dominant [dom´ĭ-nant] 1. exerting a ruling or controlling influence. 2. in genetics, capable of expression when carried by only one of a pair of homologous chromosomes; see dominant gene. 3. an allele or trait that has this characteristic. dominant side the half of the body in which a person is stronger; writing and eating are usually done with the hand on the dominant side. See also handedness.
dominant 1. exerting a ruling or controlling influence; in genetics, capable of expression when carried by only one of a pair of homologous chromosomes. 2. a dominant allele or trait. If a defect, appearance in all heterozygotes and homozygotes tends toward the trait being self-limiting because of culling or death. See also gene, dominance. dominant X-linked inheritance
see x-linked. dominant Genetics A phenotype expressed when a particular gene is present in a cell, regardless of whether the allelic set contains 2 different forms of expression; the allele with the masked phenotype is termed recessive Dominant disorders
Achondroplasia, familial hypercholesterolemia, Huntington's disease. See Filial generation, Homozygote, Trait. Cf Recessive. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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