A) Edwards syndrome
B) Downs syndrome
C) Klinefelters syndrome
D) Pataus syndrome
Correct Answer: C
Solution :
Barr body is one X chromosome which become non-functional during early development of female. This was described by Lyon and is called Lyons hypothesis. Number of Barr body is one less than the X chromosomes present. F-body is related with Y-chromosomes. F-body is equal to number of Y-chromosomes. In the case given in the question, the embryo contains one Barr body and one F-Body which corresponds to XXY. XXY is related to Klinefelters syndrome.You need to login to perform this action.
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