Ming's egg has been fertilized for four days.By now,the zygote has formed two differentiated groups of cells that will become either the embryo or the nutritive support for the embryo.Ming's zygote is now called a

Question

Quizplus · Accepted Answer

After four days of fertilization, the zygote undergoes several cell divisions and forms a hollow ball of cells called blastocyst. The blastocyst has two groups of cells, the inner cell mass which will become the embryo and the outer layer which will provide the nutritive support for the embryo. Therefore, the best choice is B, blastocyst. The other options are not accurate descriptions of the developing embryo at this stage.

Ming's Egg Has Been Fertilized for Four Days