In __________ syndrome, the 23rd pair of chromosomes consists of an XXY pairing, resulting in reduced masculine characteristics and excessive height.
A) PKU
B) Down
C) Klinefelter's
D) Turner's

Question

Quizplus · Accepted Answer

Klinefelter's syndrome is caused by an XXY pairing in males, resulting in reduced masculine characteristics such as smaller testes, and excessive height. PKU (phenylketonuria) is a genetic disorder caused by a deficiency in the enzyme that breaks down phenylalanine. Down syndrome is caused by the presence of an extra copy of chromosome 21. Turner's syndrome is caused by a missing or partially missing X chromosome in females, resulting in infertility and short stature.

In __________ Syndrome, the 23rd Pair of Chromosomes Consists of an XXY