Cri-du-chat syndrome babies are mentally challenged and have an abnormal larynx that makes sounds like the cry of a cat. This disorder is due to a/an:

A) duplication in chromosome 7.
B) trisomy 21.
C) deletion in chromosome 5.
D) translocation between chromosome 9 and 22.
E) inversion in chromosome 2.


Answer: C

Biology & Microbiology

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