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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2006
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Q)

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


( A ) Trisomy of 21st chromosome
( B ) Loss of half of the short arm of chromosome 5
( C ) Fertilization of an XX egg by a normal Y-bearing sperm
( D ) Loss of half of the long arm of chromosome 5

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