Agents that can cross the placenta of a pregnant woman and cause birth defects are classified as:
A)mutations.
B)mutagens.
C)teratations.
D)teratogens.

Question

Quizplus · Accepted Answer

Agents that can cross the placenta of a pregnant woman and cause birth defects are called teratogens. Mutations refer to changes in the genetic material, mutagens are agents that can cause mutations, and teratations is not a recognized term in biology.

Agents That Can Cross the Placenta of a Pregnant Woman