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Cri-du-chat syndrome in humans is caused by the :

  1. A
    fertilization of an XX egg by a normal y-bearing sperm
  2. B
    loss of half of the short arm of chromosome 5
  3. C
    loss of half of the long arm of chromosome 5
  4. D
    trisomy of 21st chromosome

Solution & Step-by-step Explanation

Cri-du-chat (cat's cry) syndrome is a genetic disorder caused by a partial deletion (loss) of the short arm (p arm) of chromosome 5.

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Cri-du-chat syndrome in humans is caused by the :
A
fertilization of an XX egg by a normal y-bearing sperm
B
loss of half of the short arm of chromosome 5
C
loss of half of the long arm of chromosome 5
D
trisomy of 21st chromosome

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