Klinefelter Syndrome

Q. The number of chromosomes in the karyotype of a person with Klinefelter's syndrome is .

1. 47
2. 46
3. 45
4. 48

Q.

Choose the correct option regarding the Assertion and Reason:

Assertion [A]: Patients having Klinefelter syndrome have higher amounts of estrogen in the body.
Reason [R]: Klinefelter syndrome occurs due to appearance of an extra X chromosome in the human males.

1. Assertion [A] is True and Reason [R] is False.

2. Reason [R] is True and Assertion [A] is False.

3. Assertion [A] is True and Reason [R] is True and is a correct explanation for [A].

4. Assertion [A] is True and Reason [R] is True but is an incorrect explanation to [A].