Question

Your aunt just realized that she conceived a child about 7 days ago. She rushes to find a book on pregnancy so that she can learn more about what is happening. Which of the following does the book say occurs around the seventh day of pregnancy?

Answer 1

Answer: the cells of the zygote begin to differentiate

Step-by-step explanation:

On the seventh day of most pregnancies the cells of the zygote begin to differentiate.