question_answer

Which of the following is not evident that the pattern of cleavage is determined by factors in the egg cytoplasm rather than by genes of zygote

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