The "top" of a zygote is often referred to as the _______ pole;the "bottom" is often referred to as the _______ pole.
A) dorsal;animal
B) dorsal;vegetal
C) animal;dorsal
D) animal;ventral
E) animal;vegetal

Question

Quizplus · Accepted Answer

The terms "animal" and "vegetal" refer to the two opposite poles of the zygote in animals like sea urchins or frogs. The animal pole is usually the top of the zygote and is the location where the majority of the cytoplasm and organelles are concentrated, while the vegetal pole is usually the bottom of the zygote and contains a larger amount of yolk. Therefore, choice E (animal;vegetal) is the best choice.

The "Top" of a Zygote Is Often Referred to as the _______