During early embryonic development, implantation into the uterine lining occurs at the ____ stage.
A) zygote
B) morula
C) blastocyst
D) gastrula
E) hypoblast

Question

Quizplus · Accepted Answer

Implantation into the uterine lining occurs at the blastocyst stage of early embryonic development. This stage follows the zygote and morula stages and precedes the formation of the gastrula.

During Early Embryonic Development, Implantation into the Uterine Lining Occurs