Klinefelter syndrome results from which of the following genotypes?
A) XO
B) XYY
C) XXY
D) YO

Question

Quizplus · Accepted Answer

Klinefelter syndrome is a genetic disorder that occurs in males when there is an extra copy of the X chromosome, resulting in a genotype of XXY. Option A) XO refers to Turner syndrome, where females only have one X chromosome. Option B) XYY is a genotype associated with Jacob's syndrome, which may cause some mild physical and behavioral characteristics, but not Klinefelter syndrome. Option D) YO is not a valid genotype.

Klinefelter Syndrome Results from Which of the Following Genotypes