NEET Solved Paper 2017 Question 88

Question: A disease caused by an autosomal primary non-disjunction is

Options:

A) Sickle cell anemia

B) Down’s syndrome

C) Klinefelter’s syndrome

D) Turner’s syndrome

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Answer:

Correct Answer: B

Solution:

  • Down’s syndrome is caused by non-disjunction of 21st chromosome.