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A 35-year-old member asked:

How exactly is angelman syndrome passed on?

1 doctor answer2 doctors weighed in
Dr. Ed Friedlander
Pathology 45 years experience
Variable: Angelman patients lack a good copy of the gene UBE3A from their mothers. This may be the result of uniparental disomy (both chromosome 15's from Dad) or a new mutation on Mom's chromosome. It's tricky and goes beyond Mendel's laws.

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Last updated Jul 17, 2014

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