In which of the following does the individual carry the sex chromosome pattern XXY and is a male?
A) Down's syndrome
B) Klinefelter's syndrome
C) Fragile-X syndrome
D) Trisomy 21
E) Turner's syndrome

Question

Quizplus · Accepted Answer

Klinefelter's syndrome is characterized by the presence of an extra X chromosome, resulting in an XXY sex chromosome pattern. Despite having two X chromosomes, individuals with Klinefelter's syndrome are male due to the presence of a Y chromosome.

In Which of the Following Does the Individual Carry the Sex