If you treat unfertilized frog eggs with a poison that prevents microtubules from forming and then fertilize the eggs with sperm,the first abnormal event you would notice would most likely be
A) a failure of the cytoplasm to shift and expose the gray crescent.
B) nuclear division but no cytoplasmic division.
C) cytoplasmic division but no nuclear division.
D) the formation of two cells,one of which lacks a nucleus.
E) the formation of the gray crescent on the same side as sperm entry.

Question

Quizplus · Accepted Answer

Microtubules are essential for the movement of cytoplasmic components, including the shift that exposes the gray crescent after fertilization. Without microtubules, this shift cannot occur.

If You Treat Unfertilized Frog Eggs with a Poison That