Question
Science Question on Heredity and Evolution
Assertion (A): Sex of the children will be determined by what they inherit from their mother. Reason (R): Women have XX sex chromosomes.
A
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
B
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
C
Assertion (A) is true, but Reason (R) is false.
D
Assertion (A) is false, but Reason (R) is true.
Answer
Assertion (A) is false, but Reason (R) is true.
Explanation
Solution
The sex of the child is determined by the father's sperm (X or Y chromosome). The mother always contributes an X chromosome. Hence, Assertion (A) is false, but Reason (R) is true.