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Definition of Disomy
1. Noun. (cytology) The normal state of a diploid eukaryotic cell or individual which has two members of a pair of homologous chromosomes in each nucleus. A normal chromosome is represented twice in a single cell. ¹
¹ Source: wiktionary.com
Medical Definition of Disomy
1. 1. The state of an individual or cell having two members of a pair of homologous chromosomes; the normal state in humans, in contrast to monosomy and trisomy. 2. An abnormal chromosome represented twice in a single cell. Origin: G. Dis, two, + soma, body (05 Mar 2000)