Medical

incomplete dominance

Also found in: Dictionary, Encyclopedia, Wikipedia.

incomplete dominance

n.
A heterozygous condition in which both alleles at a gene locus are partially expressed, often producing an intermediate phenotype. Also called partial dominance.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

incomplete dominance

Failure of one or other of two ALLELES to exert a dominant effect with the result that the PHENOTYPE has a form somewhere in between those of the two phenotypes that would be produced were either gene homozygous.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

incomplete dominance

a pattern of inheritance in which a cross between two phenotypically different parents produces an offspring different from either parent but containing partial features of both. The classic example is in flower colour where, for example, crossing white and red snapdragons produces a pink offspring. Compare CODOMINANCE. See also DOMINANCE (1).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
Mentioned in
References in periodicals archive
Combined genotypes and phenotypes for incomplete dominance model.
A student activity that simulates evolution
The overdominance effects on the traits seed yield [21,2], spike weight [18], and 100-seed weight [3], as well as incomplete dominance effects on biologic yield [17], peduncle length [17], spike length [18] have been reported previously.
Genetic study of agronomic traits in barley based diallel cross analysis
Even considering the effects of incomplete dominance, epistasis, and pleiotropy as modifiers of genetic control, the possible phenotypes change only in degree or number of discrete possibilities.
Chapter 12: Sexual reproduction and inheritance
These results are also consistent with incomplete dominance and suggest that six-legs is the heterozygote of two-legs and four-legs.
The Virtual Genetics Lab: a freely-available open-source genetics simulation
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.