Multiple choice

Mongolism is also known as

  1. Turner's syndrome

  2. Hypothalmic syndrome

  3. Klinefelter's syndrome

  4. Down's syndrome
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D Correct answer
Explanation

Down's syndrome or mongolism or mongolian idiocy is caused by the trisomy on chromosome number 21. Thus, the egg possesses 24 chromosomes instead of 23 and the offspring has 47 chromosomes (45 + XY in male, 45 + XX in female). 

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