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easyMCQNEET (UG) 20172026Biology
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A disease caused by an autosomal primary non-disjunction is:

  1. A
    Klinefelter's syndrome
  2. B
    Turner's syndrome
  3. C
    Sickle cell anemia
  4. D
    Down's syndrome

Solution & Step-by-step Explanation

Down's syndrome is caused by the non-disjunction of autosome number 21, resulting in trisomy. Klinefelter's and Turner's involve sex chromosomes. Sickle cell anemia is a point mutation.

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A disease caused by an autosomal primary non-disjunction is:
A
Klinefelter's syndrome
B
Turner's syndrome
C
Sickle cell anemia
D
Down's syndrome

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Principles of Inheritance and VariationGenetic DisordersDown's Syndrome

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