During which period of prenatal development do most major structures, such as the heart, develop in rudimentary form?
A) embryonic period
B) fetal period
C) germinal period
D) zygotic period

Question

Quizplus · Accepted Answer

The embryonic period is the second prenatal period, which lasts from implantation to the end of the second month after conception; all the major structures and organs of the individual are formed at this time.

During Which Period of Prenatal Development Do Most Major Structures