The best way of understanding the relationship between genetic and environmental influences on the development of intelligence is to conclude that:
A) genes are much more important than environment
B) the environment is much more important than genes
C) genetic and environmental factors interact and influence each other
D) genetic and environmental factors operate independently, but both influence intelligence development

Question

Quizplus · Accepted Answer

Genetic and environmental factors interact, which is to say they influence each other. There is no clear evidence that either is much more important than the other in determining intelligence, although in a particular individual's case, one might be especially important. The question asks about a general conclusion, not the case of a specific individual.
Learning and Thinking in School

The Best Way of Understanding the Relationship Between Genetic and Environmental