Maternal uniparental disomy of chromosome 21

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Synonyms: UPD(21)mat

A uniparental disomy of maternal origin that does not seem to have an adverse impact on the phenotype of an individual. There is a possibility of homozygosity for a recessive disease mutation for which the mother is a carrier and specific phenotype depends on the inherited disorder.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version May 2024

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Maternal uniparental disomy of chromosome 21?

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Clinical Trials

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