MCQ MAHE 2000 Pediatrics Answer 9

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The Correct Answer is D

Down syndrome or trisomy 21 is caused by nondisjunction of chromosome 21 in a parent who is chromosomally normal. Chromosome mutations in which chromosome number is abnormal, nondisjunction in mitosis or meiosis is the cause of most aneuploids.


Category: MAHE 2000 MCQs

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