During Mammalian Development, A

Question

During mammalian development, a
A) morula becomes gastrula.
B) gastrula becomes a morula.
C) zygote becomes a blastula.
D) blastula becomes a zygote.
E) morula becomes a blastula.

Accepted Answer

During mammalian development, a morula becomes a blastula. The morula is a solid ball of cells that forms after the zygote undergoes several rounds of cell division. The blastula is a hollow ball of cells that forms when the morula undergoes cavitation.