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.