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Biology · PYQ NEET UG 2017

हिन्दी

A disease caused by an autosomal primary non-disjunction is

  1. Down syndrome
  2. Klinefelter syndrome
  3. Turner syndrome
  4. Sickle cell anemia

Correct answer · Option 1

Down syndrome

Explanation

Down syndrome is caused by trisomy of chromosome 21, which results from autosomal non-disjunction during gametogenesis.
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