A) Cleavage is prevented by injection of a protein synthesis inhibitor
B) Cleavage is not affected by injection of inhibitors of RNA synthesis into the zygote
C) Interspecific hybrid zygotes go through normal cleavag but die at the beginning of gastrulation
D) The direction of the first division of cleavage in the snail Cepaea is determined by the mothers genotype
Correct Answer: A
Solution :
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