A hollow fluid-filled ball of embryonic cells is called
A) a sperm cell
B) an egg cell
C) a blastocyst
D) a stem cell

Name: A hollow fluid-filled ball of embryonic cells is called A) a sperm cell B) an egg cell C) a blastocyst D) a stem cell
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Question

Quizplus · Accepted Answer

A blastocyst is a structure formed in the early development of mammals. It is a hollow ball of cells that forms after the fertilization of an egg and undergoes several divisions.

A Hollow Fluid-Filled Ball of Embryonic Cells Is Called