A karyotype reveals that a woman is carrying a fetus that has 47 chromosomes. The test reveals that the genotype of the fetus is XXY. Which of the following statements is correct?

A) The fetus has Turner syndrome, and most likely a nondisjunction event occurred in the mother during egg formation.
B) The fetus has Down syndrome, and most likely a nondisjunction event occurred in the mother during egg formation.
C) The fetus has Klinefelter syndrome.
D) The fetus has an autosomal disorder.


Answer: C

Biology & Microbiology

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