The Fact That Exposure to a Teratogen During the Period

Multiple Choice

The fact that exposure to a teratogen during the period of the zygote often leads to a spontaneous abortion (miscarriage) while the same exposure during the period of the fetus can lead to minor defects of bodily structures or systems demonstrates that

A) ​the impact of teratogens depends on the genotype of the organism
B) ​the impact of teratogens changes the course of prenatal development
C) ​different teratogens affect different aspects of prenatal development
D) ​the impact of a teratogen depends on the amount, or dose, of the teratogen