Paralog Definition

noun
A gene that is related to another gene in the same organism by descent from a single ancestral gene that was duplicated and that may have a different DNA sequence and biological function.
American Heritage Medicine

Other Word Forms of Paralog

Noun

Singular:
paralog
Plural:
paralogs

Origin of Paralog

  • Back-formation from paralogous para– (in reference to the parallel descent of the two genes from a single ancestral gene) (homo)logous

    From American Heritage Dictionary of the English Language, 5th Edition

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