Question

Assertion (A): Turner's syndrome is caused by the absence of any one of the X and Y sex chromosome.

Reason (R): Such individuals show masculine as well as feminine development.

Options

• Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

• Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

• Assertion (A) is true but reason (R) is false.

• Both assertion (A) and reason (R) are false.

Answer 1

Both assertion (A) and reason (R) are false.

Explanation:

Turner’s syndrome is specifically caused by the absence of one X chromosome, producing XO; it is not caused by the absence of either X or Y generally. Individuals with Turner’s syndrome are female, not individuals with both masculine and feminine development.