Which statement concerning heritability is true?
a. Heritability explains more of the variation in IQ among children from poor families.
b. Heritability is a fixed quality.
c. Heritability differs by socioeconomic status but not by age.
d. Heritability estimates differ by environment.
Question 2
Some traits are more influenced by genetic factors than other traits, as reflected in the correlations between the traits of identical twins raised apart. Which one of the following series of traits is arranged from most to least heritable?
a. Height, brain activity, IQ scores, creativity
b. Brain activity, height, creativity, IQ scores
c. Brain activity, IQ scores, height, creativity
d. Height, creativity, IQ scores, brain activity