duplication of chromosomes
du·pli·ca·tion of chro·mo·somes
a chromosome aberration resulting from unequal crossing over or exchange of segments between two homologous chromosomes; one chromosome of the pair loses a small segment, whereas the other gains this segment; the chromosome gaining the segment has undergone duplication whereas its homologue has undergone deletion. See: hemoglobin Lepore.
Farlex Partner Medical Dictionary © Farlex 2012
du·pli·ca·tion of chro·mo·somes
(dū'pli-kā'shŭn krō'mŏ-sōmz)A chromosome aberration resulting from unequal crossing over or exchange of segments between two homologous chromosomes; one chromosome of the pair loses a small segment, while the other gains this segment; the chromosome gaining the segment has undergone duplication whereas its homologue has undergone deletion.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012