peter2456 peter2456

25-02-2019
Biology

contestada

Which of the following events happens first in the development of a new organism?

A. A zygote undergoes mitosis.
B. A sperm fertilizes an egg to form a zygote.
C. A blastocyst implants into the uterine wall.
D. A morula is formed.

Respuesta :

sandekaitlin sandekaitlin

25-02-2019

It's C. A blastocyst implants into the uterine wall.

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