Between the seventh and ninth days, during the period of the zygote,
A) the one-celled zygote multiplies and forms a blastocyst.
B) fertilization occurs.
C) the face forms.
D) implantation occurs.

Name: Between the seventh and ninth days, during the period of the zygote, A) the one-celled zygote multiplies and forms a blastocyst. B) fertilization occurs. C) the face forms. D) implantation occurs.
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Question

Quizplus · Accepted Answer

Implantation occurs between the seventh and ninth days when the blastocyst attaches to the uterine wall.

Between the Seventh and Ninth Days, During the Period of the Zygote