Of the three prenatal stages of development which is by far the longest?
A) the period of the zygote
B) the period of the embryo
C) the period of the fetus
D) the period of the neonate

Question

Of the three prenatal stages of development which is by far the longest?
A) ​the period of the zygote
B) ​the period of the embryo
C) ​the period of the fetus
D) ​the period of the neonate

Quizplus · Accepted Answer

The period of the fetus is by far the longest of the three prenatal stages of development, lasting from about 9 weeks after conception until birth. The period of the zygote and embryo are relatively shorter, lasting only a few weeks each.

Of the Three Prenatal Stages of Development Which Is by Far