Final answer:
Cri-du-chat syndrome is a genetic disorder caused by a deletion of most of the small arm of chromosome 5, resulting in nervous system abnormalities and identifiable physical features.
Step-by-step explanation:
Cri-du-chat syndrome is a genetic disorder caused by a deletion of most of the small arm of chromosome 5.
Infants with this syndrome emit a characteristic high-pitched cry, which gives the disorder its name.
This condition is associated with nervous system abnormalities and identifiable physical features.