LO5 What is a teratogen, and what specific diseases, drugs, and environmental hazards can be teratogens?What are five general principles governing the influence of teratogens on prenatal development?
What will be an ideal response?
A good answer will include the following key points:
+ The impact of a teratogen depends upon the genotype of the organism.
+ The impact of teratogens changes over the course of prenatal development.
+ Each teratogen affects a specific aspect (or aspects) of prenatal development.
+ The impact of teratogens depends on the dose.
+ Damage from teratogens is not always evident at birth, but may appear later.
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