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

Question

Cri-du-chat syndrome in humans is caused by the (A) fertilisation of an XX egg by a normal Y- bearing sperm (B) loss of half of the short arm of hromosome5 (C) loss of half of the long aim of chromosome 5 (D) trisomy of 21st chromosome

Tardigrade Admin · Accepted Answer

Cri-du-chat (cat cry) syndrome in human is caused by the deletion of short arm of chromosome

5

.
The affected new born cries like mewing of cat.
The trisomy of

2 1^{st}

chromosome causes Down's svndrome (mongolism).

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

fertilisation of an XX egg by a normal Y- bearing sperm

loss of half of the short arm of hromosome5

loss of half of the long aim of chromosome 5

trisomy of 21st chromosome

Cri-du-chat (cat cry) syndrome in human is caused by the deletion of short arm of chromosome 5. The affected new born cries like mewing of cat. The trisomy of 21st chromosome causes Down's svndrome (mongolism).

Cri-du-chat (cat cry) syndrome in human is caused by the deletion of short arm of chromosome $5$ .
The affected new born cries like mewing of cat.
The trisomy of $2 1^{st}$ chromosome causes Down's svndrome (mongolism).