The zygotic stage of development ends at _____ weeks of development.
A) 24
B) 32
C) 2
D) 8

Question

Quizplus · Accepted Answer

The zygotic stage of development ends at 2 weeks of development, when the zygote undergoes a series of cell divisions and becomes a blastocyst, which implants in the uterine wall. After this stage, the embryonic stage begins, which lasts until the end of the eighth week of development. Therefore, choices A, B, and D are incorrect.

The Zygotic Stage of Development Ends at _____ Weeks of Development