After receiving a karyotype of a fetus, it is discovered that it has Klinefelter's syndrome. What does this designation indicate?
A)The fetus is female and resulted from one of the gametes having an extra X chromosome.
B)The fetus is an XY male.
C)The fetus is male and the result of a Y-bearing sperm fertilizing an XX egg.
D)The fetus is female and the result of only one gamete possessing an X chromosome.

Question

Quizplus · Accepted Answer

Klinefelter's syndrome is a condition where a male has an extra X chromosome, resulting in an XXY karyotype. This occurs when a Y-bearing sperm fertilizes an egg with two X chromosomes.

After Receiving a Karyotype of a Fetus, It Is Discovered