Co-dominance

Co-dominance (pronunciation: /koʊˈdɒmɪnəns/) is a form of dominance wherein the alleles of a gene pair in a heterozygote are fully expressed. This results in offspring with a phenotype that is neither dominant nor recessive.

Etymology

The term "Co-dominance" is derived from the Latin prefix 'co-' meaning 'together', and the English word 'dominance'. It was first used in the field of genetics to describe the phenomenon where two different versions of a gene are expressed equally in the phenotype of an organism.

Related Terms

• Allele
• Gene
• Heterozygote
• Phenotype
• Genotype
• Dominance
• Recessive

See Also

• Incomplete dominance
• Mendelian inheritance
• Punnett square

References

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