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Definition of Isodisomy

Isodisomy: A remarkable situation in which both chromosomes in a pair are from one parent only. Isodisomy causes some birth defects and is suspected to play a role in cancer. Also known as uniparental disomy.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4056
Last Editorial Review: 3/19/2012

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