ortholog

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ortholog

or

orthologue

(ôr′thə-lôg′, -lŏg′)
n.
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.

or·thol′o·gous (-thŏl′ə-gəs) adj.

ortholog

(ŏr′thō-lŏg″) [″ + (ana)log(ue)]
A gene that is shared by members of different species.
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