dominant

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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

dom·i·nant

(dom'i-nănt),
1. Ruling or controlling.
2. In genetics, denoting an allele possessed by one of the parents of a hybrid that is expressed in the latter to the exclusion of a contrasting allele (the recessive) from the other parent.
[L. dominans, pres. p. of dominor, to rule, fr. dominus, lord, master, fr. domus, house]
Farlex Partner Medical Dictionary © Farlex 2012

dominant

(dŏm′ə-nənt)
adj.
1. Tending to be stronger than its counterpart or used for the most important tasks or in the most pressing situations: Which is your dominant eye? Throw the ball with your dominant arm.
2. Genetics Of, relating to, or being an allele that produces the same phenotypic effect in heterozygotes as in homozygotes.
3. Ecology Of, relating to, or being a species that is most characteristic of an ecological community and usually determines the presence, abundance, and type of other species.
n.
1. Genetics A dominant allele or a trait produced by a dominant allele.
2. Ecology A dominant species.

dom′i·nant·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

dominant

Genetics
noun 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.
 
Autosomal dominant disorders
Achondroplasia, familial hypercholesterolemia, Huntington’s disease.

Sexology
adjective, noun Top; Referring to the person, or the person him- or herself, who takes the active or controlling role in a BDSM relationship, which contrasts to the submissive (bottom) position or role.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

dom·i·nant

(dom'i-nănt)
1. Ruling or controlling.
2. genetics Denoting an allele possessed by one of the parents of a hybrid that is expressed in the latter to the exclusion of a contrasting allele (the recessive) from the other parent.
[L. dominans, pres. p. of dominor, to rule, fr. dominus, lord, master, fr. domus, house]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

dominant

See DOMINANCE.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005