Pinel ended his discussion of the genetics of human psychological differences with a description of the study of Turkheimer and colleagues (2003). The important finding of this study was that
A) among the very poor, the heritability estimate of IQ was close to zero.
B) among the affluent, the heritability estimate of IQ was close to one.
C) IQ in adult humans is almost entirely genetic.
D) both A and B
E) both B and C
Question 2
Modern biology began in 1859 with the publication of On the __________ by Darwin.
Fill in the blank with the appropriate word.