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Glossary of "Life (9th ed.)" by Sadava et al. (2011)

  • (1) In cytogenetics, one of a pair (or larger set) of chromosomes having the same overall genetic composition and sequence. In diploid organisms, each chromosome inherited from one parent is matched by an identical (except for mutational changes) chromosome—its homolog—from the other parent. (2) In evolutionary biology, one of two or more features in different species that are similar by reason of descent from a common ancestor.

Glossary of Plant Systematics (1st ed.) by Simpson (2006)

  • A specific feature that is homologous to another, cited feature. Cf: homology.


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