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Homologous Structure

A body part with the same basic structure and embryonic origin as that of another organism, though not necessarily sharing the same function. Thus the bones of vertebrate forelimbs are homologous even though the limbs can function in widely different ways (e.g., for swimming, flying, running, or grasping). Darwinists interpret such similarities as due to inheritance from a common ancestor (“phylogenetic homology”).

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