Prenatal exposure to cocaine:
a. Cannot occur since cocaine does not cross the placenta
b. Causes abnormal circuit formation among dopamine neurons
c. Is much more devastating than prenatal exposure to alcohol
d. Has beneficial effects on IQ because it is a stimulant
B
You might also like to view...
On average, behavioral-genetic studies estimate the heritability of intelligence to be:
a. about .90. b. about .20. c. low at all ages. d. higher for adults than for children.
Suppose researchers identify a genetic disorder that has negative consequences if the gene is inherited from the mother, but no consequences at all if it is inherited from the father. According to the text, this situation would be:
a. impossible b. an example of gene imprinting c. an example of a sex-linked trait d. an example of an autosomal disorder