In an Experiment with Amphibian Embryos,cells from a Blastomere That

Multiple Choice

In an experiment with amphibian embryos,cells from a blastomere that was divided in two developed normally under which condition?  

A) When they contained at least half of the gray crescent
B) Only when cells did not have the gray crescent
C) Only when cells received the full amount of gray crescent
D) When cells were cleaved bilaterally
E) When cells were cleaved radially