About a week after conception, the outer layer of the multiplying cells forms a protective circle, or shell, that will become the _____.
A) placenta
B) umbilical cord
C) vernix
D) infant

Name: About a week after conception, the outer layer of the multiplying cells forms a protective circle, or shell, that will become the _____. A) placenta B) umbilical cord C) vernix D) infant
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Question

Quizplus · Accepted Answer

The protective circle or shell that forms about a week after conception will become the placenta.

About a Week After Conception, the Outer Layer of the Multiplying