Assertion:Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals.
Reason: Eggs of most mammals, including humans, are of centrolecithal type.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion, then mark a.
B. if both assertion and reason are ture but the reason is not the correct explanation of assertion, then mark b.
C. if assertion is true statement but reason is false, then mark c.
D. If both assertion and reason are false statements, then mark d.