The fact that ingestion of nicotine can lead to an increased risk of miscarriage or low birth weight while contracting rubella can cause aberrant development of the eyes, ears, and heart demonstrates that
a. the impact of teratogens depends on the genotype of the organism.
b. the impact of teratogens changes of the course of prenatal development.
c. each teratogen affects a specific aspect (or aspects) of prenatal development.
d. the impact of a teratogen depends on the amount, or dose, of the teratogen.
Question 2In a study of 4- to 7-year-olds (Grusec, 1991), which type of prosocial behavior occurred the most?
a. helping
b. sharing
c. affection
d. reassuring
Question 3The 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
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