Which feature is characteristic of cleavage in placental mammals?
A) Begins after the fertilized egg reaches the uterus
B) Is slowed down by large amounts of yolk in the vegetal hemisphere
C) Produces a spherical blastula that is one cell layer thick, similar to that of the sea urchin
D) Has two different planes of cleavage in the second cleavage
E) Undergoes nuclear division in the absence of cytoplasmic division during the first several division cycles

Question

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The Answer of Which feature is characteristic of cleavage in placental mammals?
A) Begins after the fertilized egg reaches the uterus
B) Is slowed down by large amounts of yolk in the vegetal hemisphere
C) Produces a spherical blastula that is one cell layer thick, similar to that of the sea urchin
D) Has two different planes of cleavage in the second cleavage
E) Undergoes nuclear division in the absence of cytoplasmic division during the first several division cycles

Which Feature Is Characteristic of Cleavage in Placental Mammals