Home > Terms > English, UK (UE) > Cluster of orthologous groups (COG)
Cluster of orthologous groups (COG)
A collection of homologous genes that are useful for study of evolutionary relationships. A COG consists of orthologues (homologous genes that have diverged in different species from a common ancestral gene, along with the divergence of the species) and paralogues (genes in a single species that have arisen by duplication and divergence.
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- Part of Speech: noun
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- Industry/Domain: Biology
- Category: Biochemistry; Molecular biology
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