Compared to the normal male karyotype, a man affected by Klinefelter's syndrome has

Compared to the normal male karyotype, a man affected by Klinefelter's syndrome has

Compared to the normal male karyotype, a man affected by Klinefelter's syndrome has




A. one more Y chromosome.
B. an extra X and an extra Y chromosome.
C. two extra X chromosomes.
D. one more X chromosome.


Answer: One more X chromosome