Question

Cri-du-chat syndrome is due to chromosomal change involves

• A. Duplication
• B. Inversion
• C. Deletion
• D. Translocation

Answer 1

Answer: (C)

Deletion

Cri du chat syndrome , also known as 5p- (5p minus) syndrome or cat cry syndrome, is a genetic condition that is caused by the deletion of genetic material on the small arm (the p arm) of chromosome 5. Infants with this condition often have a high-pitched cry that sounds like that of a cat.

So, the correct answer is 'Deletion'.