Which of the following statements about teratogens is true?
A) A specific teratogen will cause a specific effect, regardless of when during prenatal development the fetus is exposed to it.
B) Alcohol and rubella will cause similar defects if present at the same time in development.
C) All teratogens affect the mother by passing though the placental membrane.
D) The likelihood and degree of abnormal development due to a harmful agent increases with exposure and dosage level.
Correct Answer:
Verified
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