Homologous

Adjective

1. Showing a degree of correspondence or similarity. In corresponding proportion.

   "Flippers and hands are homologous structures."

2. In corresponding proportion.
3. Corresponding to a similar structure in another life form with a common evolutionary origin.

   "Flippers and hands are homologous structures."

4. Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH₂ group.
5. Having the same morphology as another chromosome or locus; relating to a homologue.