1.

Assertion: The presence of X or Y chromosome in the sperm determine the sex of the embryo Reason: All the eggs have one X chromosome.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - A
(A)
The presence of X or Y chromosome in the sperm determine the sex of the embryo.
All the eggs have one X- chromosome.


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