Codominance
Definition
Codominance is a relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the two alleles are different, they will both be expressed equally in the phenotype.
Related terms
Alleles: Different forms or variations of a gene that can occupy the same locus on a chromosome.
Genotype: The genetic makeup or set of genes within an organism’s DNA responsible for determining specific traits or characteristics.
Heterozygous: A term used to refer to an organism that has two different alleles for a single trait.
"Codominance" appears in:
Subjects (1)
Anatomy & Physiology
Study guides (1)
AP Biology - 5.4 Non-Mendelian Genetics
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Resources
Cram Mode
AP Score Calculators
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Glossary
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Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.