The germinal stage begins when a zygote is created through fertilization.
The correct option is D, Germinal stage.
What is the germinal stage?
The germinal stage is a stage containing the process in which the sperm and egg are converted into a zygote then embryo.
A zygote is a fertilized egg that has been fertilized.
The process includes fertilization then cleavage and then blastulation and implantation.
Thus, the correct option is D, Germinal stage.
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