Problem:

A child born with cri-du-chat has abnormal larynx that produces a sound like a cat's meow, and later develops mental retardedness.

Question: Which of the following categories is responsible for this disorder?

a. Autosomal recessive inheritance

b. Autosomal dominant inheritance

c. X-linked recessive inheritance

d. Change in chromosomal number

e. Change in chromosome structure

Please Explain don't just write the answer.