Which statement about early embryonic development in humans is FALSE?
A) The embryo is moved along the oviduct by ciliary action and muscular contraction.
B) The embryo develops through the blastula stage while floating free in the uterus.
C) The embryo enters the uterus about 24 hours after fertilization.
D) Early division of the embryo occurs in the oviduct.
E) Implantation of the embryo occurs about seven days after fertilization.

Question

Quizplus · Accepted Answer

The embryo actually enters the uterus several days after fertilization, not 24 hours after. Typically, this process takes about 3-4 days, not 1 day as stated in option C.

Which Statement About Early Embryonic Development in Humans Is FALSE