Small marker chromosome mosaicism confirmed in two cases ascertained prenatally
- 1 January 1978
- journal article
- case report
- Published by Wiley in American Journal of Medical Genetics
- Vol. 2 (2) , 167-173
- https://doi.org/10.1002/ajmg.1320020208
Abstract
Two cases of chromosomal mosaicism were prenatally diagnosed and confirmed in tissues cultured from subsequently aborted fetuses. In both cases a small marker chromosome was observed which proved de novo in origin, since parental chromosomes were normal. The implications and interpretation of such findings in counselling families undergoing amniocenteses is discussed. Mosaicism for small marker chromosomes may be more frequent than hitherto suggested.Keywords
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