"homologous" in the adjective sense
1. homologous
having the same evolutionary origin but not necessarily the same function
"the wing of a bat and the arm of a man are homologous"
2. homologous
corresponding or similar in position or structure or function or characteristics especially derived from an organism of the same species
"a homologous tissue graft"
Source: WordNet® (An amazing lexical database of English)
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