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Medical Term:

duplication of chromosomes


Definition: 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

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.