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homologous ho·mol·o·gous (hə-mŏl'ə-gəs, hō-)
Corresponding or similar in position, value, structure, or function.
Similar in structure and evolutionary origin, though not necessarily in function.
Relating to the correspondence between an antigen and the antibody produced in response to it.
Having the same morphology and linear sequence of gene loci as another chromosome.
Belonging to or being a series of organic compounds each successive member of which differs from the preceding member by a constant increment, especially by an added CH2 group.