Similarity of structure between body organs or parts, possibly of dissimilar purpose, which are associated by-common lineage.
Similarity in construction, though various purpose, as a result of hereditary connections
The communication of common descent; -- a phrase used to supersede homology by Lankester, just who also utilized homoplasy to denote any superinduced communication of place and construction in components embryonically distinct (various other authors making use of the term homoplasmy). Thus, there is homogeny between your fore limb of a mammal and the wing of a bird; although right and left ventricles regarding the heart both in are just in homoplasy together, these having arisen on their own since the divergence of both groups from a univentricular ancestor.
Sameness of nature or sort.
In biology, lineage from a standard ancestor; blood-relationship among creatures.