Sara just found out that her sister conceived about seven days ago. She rushes to find a book on pregnancy so that she can learn

Question

2 years ago

14

more about it. The book says that around the seventh day of pregnancy the cells of the zygote begin to:

1 answer:

vazorg [7] · Answer 1 · 2022-07-22T02:48:55+03:00

vazorg [7]2 years ago

5 0

Answer:

differentiate and/or the embryo has doubled its size. Aging results in a gradual decline in female fertility.

Explanation:

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