n. 1. The genetic makeup, as distinguished from the physical appearance, of an organism or a group of organisms. 2. The combination of alleles located on homologous chromosomes that determines a specific characteristic or trait. 3. A specific combination of alleles at one or more loci on a chromosome. [Greek genos, race; see genə- in the Appendix of Indo-European roots + Latin typus, type; see TYPE.] gen′o·typic (-tĭpĭk), gen′o·typi·cal adj. gen′o·typi·cal·ly adv. |
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