During prenatal development, the inner cell mass becomes the _____, and the rest of the cells become the support system, including the _____.

Question

Quizplus · Accepted Answer

During prenatal development, the inner cell mass develops into the embryo, while the cells around it become the support system, which includes the amniotic sac and placenta. Therefore, option A is the correct answer. Option B is incorrect because the neural tube is formed from the ectoderm layer of the embryo, which is separate from the inner cell mass. Option C is incorrect because the placenta and amniotic sac are part of the support system, but do not develop into the neural tube. Option D is incorrect because the neural tube and placenta are part of the support system, while the inner cell mass develops into the embryo.

During Prenatal Development, the Inner Cell Mass Becomes the _____