5. why is it impossible to predict which of his or her two a
given gene?
6. as you've learned, thalidomide is a teratogen, meaning
taken by pregnant women. another teratogenic compor
cause birth defects in the developing child's nervous sy
development of fetal alcohol syndrome. can you explai
thalidomide and alcohol in terms of environmental facto
development? what does the presence of teratogens n
have a healthy pregnancy for both themselves and thei
7. some animals that look like they evhihit cod