The XYY syndrome is characterized by the
A)male having an extra Y chromosome.
B)female having an extra Y chromosome.
C)males having an extra X chromosome.
D)female having a missing X chromosome.

Question

Quizplus · Accepted Answer

The XYY syndrome is characterized by males having an extra Y chromosome, resulting in a total of 47 chromosomes instead of the usual 46. Females do not have a Y chromosome, so options B and D are incorrect. Option C describes Klinefelter syndrome, which involves males having an extra X chromosome.

The XYY Syndrome Is Characterized by the