codominance
Americannoun
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Ecology. the state of being one of two or more species that are equally dominant in a biotic community.
Subalpine fir attains climax dominance or codominance in forests throughout the mountains of western North America.
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Genetics. the state of being one of two different alleles that are fully expressed in a heterozygous individual.
The AB blood group in humans, in which both the A and B alleles are equally expressed, is a classic example of codominance.
Etymology
Origin of codominance
First recorded in 1910–15; co- ( def. ) + dominance ( def. )
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Both the wild type and mutant display codominance.
From Textbooks • Jun. 9, 2022
Explain which of Mendel’s laws is violated by codominance.
From Textbooks • Jun. 9, 2022
An example of codominance is the MN blood groups of humans.
From Textbooks • Jun. 9, 2022
In some cases, both alleles are expressed at the same time in a form of expression known as codominance.
From Textbooks • Jun. 19, 2013
An example of codominance occurs in the ABO blood groups of humans.
From Textbooks • Apr. 25, 2013
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
