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

In __________ syndrome, the 23rd pair of chromosomes consists of an XXY pairing, resulting in reduced masculine characteristics and excessive height.A)  PKUB)  DownC)  Klinefelter'sD)  Turner's

mashael bandar · Accepted Answer

Final Answer : C, Explanation :  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 pairing, resulting in reduced masculine characteristics and excessive height.

A) PKU
B) Down
C) Klinefelter's
D) Turner's

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