Ortholog Definition
noun
A homologous gene that is related to those in different organisms by descent from the DNA of a common ancestor and that may or may not have the same function.
American Heritage Medicine
Other Word Forms of Ortholog
Noun
Singular:
orthologPlural:
orthologsOrigin of Ortholog
Back-formation from orthologous ortho– (homo)logous
From American Heritage Dictionary of the English Language, 5th Edition