Question

1.Why is it difficult to determine the effects of prenatal exposure to some environmental agents, such as drugs, diseases, and pollution?

2. Can genes influence the extent to which the developing organism is affected by teratogens?

3. Generate a list of factors that might contribute to a developing baby’s susceptibility to the effects of teratogens.

Answer 1

1) environmental factors that affect a baby's prenatal development are roofed under a term called teratogen. These teratogen affect a baby in a contextual manner. Their effect relies on various factor listed as below :

- duration of exposure

- levels/intensity/amounts of exposure

-genetic makeup/ heredity

- tolerance threshold

- interaction effect

Each of the factors vary from mother to mothe and baby to baby as a result of which what might be harmful to one may one affect the other at all