Article
Two distinctive classic genetic syndromes, 22q11.2 deletion syndrome and Angelman syndrome, occurring within the same family.
American journal of medical genetics. Part A - 15 Feb 2009
Kosaki Rika, Migita Ohsuke, Takahashi Takao, Kosaki Kenjiro
Abstract excerpt
We document a sib pair born to a mother with a reciprocal translocation, t(15;22)(q13;q11.2): the daughter had the Angelman syndrome phenotype associated with a maternally derived 15q deletion, and the son had a phenotype associated with a 22q deletion. Adjacent two-type segregation during gametogenesis in the mother can account for the unbalanced karyotypes of the siblings. From a tetravalent chromatid formed by...
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