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Ann Med. 2003;35(5):308-15.

Polymorphically duplicated genes: their relevance to phenotypic variation in humans.

Author information

1
Department of Psychological Medicine, University of Wales College of Medicine, Heath Park, Cardiff, UK. buckland@cf.ac.uk

Abstract

A number of disorders are known to be caused by duplication of genes, but these are all rare events. However, there is evidence that polymorphic gene duplication may be common and a growing number of genes are known to be duplicated in a polymorphic manner although phenotypes cannot be associated with most of these. Gene duplication occurring due to cytogenetic abnormalities such as Down syndrome predisposes the patients to a variety of complex disorders. It is possible therefore that many complex disorders and variable phenotypes are associated with duplication of genes.

PMID:
12952017
[Indexed for MEDLINE]

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