Question

XXY chromosome is found in ________
(A) Turner's syndrome
(B) Klinefelter's syndrome
(C) Down's syndrome
(D) Cri-du-chat

Answer 1

XXY chromosome is found in Klinefelter's syndrome.

This type of syndrome is caused by the presence of two X and one extra Y chromosomes (44, XXY).

Generally, it occurs in approximately 1 in every 500 live male births. The male development cannot be possible without the presence of the Y chromosome.

Answer 2

XXY chromosome is found in ________

(A) Turner's syndrome

(B) Klinefelter's syndrome

(C) Down's syndrome

(D) Cri-du-chat

Answer

XXY chromosome is found in option (B) klinefelter's syndrome