What types of intellectual disability are described by the term cultural-familial?
a. those due to drug abuse during pregnancy
b. those resulting from sexually transmitted diseases
c. those that run in families and are linked to poverty
d. those that are due to chromosomal abnormalities common in certain ethnic groups
Question 2
Up to _____ percent of the normal range of intelligence can be attributed to a genetic factor.
a. 10
b. 25
c. 50
d. 75
