The key lesson learned by the fact that thalidomide showed no impact when tested on pregnant rats but led to birth defects in humans is that
A) teratogens impact different genotypes differently.
B) teratogens impact specific aspects of development.
C) teratogen effects may not emerge until later in life.
D) teratogen effects are the same regardless of the time when the individual is exposed.

Question

The key lesson learned by the fact that thalidomide showed no impact when tested on pregnant rats but led to birth defects in humans is that
A) ​teratogens impact different genotypes differently.
B) ​teratogens impact specific aspects of development.
C) ​teratogen effects may not emerge until later in life.
D) ​teratogen effects are the same regardless of the time when the individual is exposed.

Quizplus · Accepted Answer

Thalidomide's differing effects on rats and humans highlight that teratogens can impact different species or genotypes differently.

The Key Lesson Learned by the Fact That Thalidomide Showed