Which of the following statements about prenatal sensitive periods with respect to teratogens is true?
A) The fetal period is the time when serious defects are most likely to occur.
B) During the embryonic period, teratogens usually affect the growth of sensory organs, such as the eyes and ears.
C) In the germinal period, before implantation, teratogens rarely have any impact.
D) During the fetal period, teratogens have no impact on the developing organism.

Question

Quizplus · Accepted Answer

During the germinal period, before implantation, the developing organism is not yet connected to the mother's blood supply, so teratogens rarely have an impact.

Which of the Following Statements About Prenatal Sensitive Periods with Respect