Question
Question: Cri-du-chat ysndrome in humans is caused by the :...
Cri-du-chat ysndrome in humans is caused by the :
A
Loss of half of the long arm of chromosome 5
B
Trisomy of 21st chromosome
C
Fertilization of an XX egg by a normal Y-bearing sperm
D
Loss of half of the short arm of chromosome 5
Answer
Loss of half of the short arm of chromosome 5