one of a pair of chromosomes that match up at meiosis and are identical in morphology and arrangement; a chromosome with the same gene sequence as another, each derived from one parent
homologous chromosome n.
Either member of a single pair of chromosomes.
- Homologous chromosomes
plural noun 1. two chromosomes, one of paternal origin, the other of maternal origin, that are identical in appearance and pair during meiosis homologous chromosomes [(huh-mol-uh-guhs)] A pair of matching chromosomes in an organism, with one being inherited from each parent.
- Homologous graft
homologous graft n. See allograft.
- Homologous stimulus
homologous stimulus n. A stimulus acting only upon nerve terminations in a special sense organ.
- Homologous tumor
homologous tumor n. A tumor composed of tissue of the same sort as that from which it develops.