Assertion (A) : In human beings, the female play a major role in determining the sex of the offspring.
Reason (R) : Women have two X-chromosomes.
Both A and R are true and R is the correct explanation of A
Incorrect AnswerBoth A and R are true, but R is not a correct explanation of A
Incorrect AnswerA is true, but R is false
Incorrect AnswerA is false, but R is true
Correct AnswerExplanation:
A is false, but R is true
In humans, females inherit an X chromosome from each parent, whereas males always inherit their X chromosome from their mother and their Y chromosome from their father. ... In this system, referred to as the XX-XY system, maleness is determined by sperm cells that carry the Y chromosome.
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By: Pradeep Kumar