Question

We have seen that heredity contributes to ____ differences in intelligence. But group differences in a heritable trait may be entirely environmental

a) Genetic
b) Environmental
c) Behavioral
d) Cognitive

Answer 1

Both genetic and environmental factors contribute to differences in intelligence.

Step-by-step explanation:

Genetic differences contribute to differences in intelligence, but group differences in a heritable trait may be entirely environmental. Genetics seem to control the level of intelligence, but environmental influences provide stability and change to trigger manifestation of cognitive abilities. This means that both genetic and environmental factors play a role in intelligence.