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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Maternal disomy of chromosome 15 is seen in
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The correct answer is  Uniparental disomy occurs when both chromosomes of a pair or areas from 2 chromosome in any individual have been inherited from a single parent. Maternal uniparental disomy is seen in Leader -Willi syndrome. Paternal uniparental disomy is seen in Angelman syndrome . Reference: Nelson TB of pediatrics pg 412 19th edition.