Which of the following statements is true about the effects of teratogens on the developing fetus?
A)Any given teratogen usually has the same effect regardless of when in prenatal development exposure occurs.
B)The kind of damage done depends on the stage of development during exposure.
C)A teratogen will usually have the same effect regardless of how much exposure the fetus has to that teratogen.
D)Ancient Greeks believed in teratogens,but modern science has been unable to identify any.

Question

Quizplus · Accepted Answer

The kind of damage done by a teratogen depends on the stage of development during exposure. Different teratogens affect different organs and systems depending on the timing of exposure. For example, a teratogen that affects the development of the brain may have a different effect if exposure occurs during the first trimester as opposed to the third trimester.

Which of the Following Statements Is True About the Effects