Question

According to research studies, what is the relationship between genes and environment in determining intelligence?

Options

• Genes alone determine intelligence.

• Genes and environment cause IQ similarity equally.

• The environment alone determines intelligence.

• Schooling has no impact on early intelligence.

Answer 1

Genes and environment cause IQ similarity equally.

Explanation:

The research findings show that both genes and environment are factors that cause IQ similarity. Husen's twins study (1960) demonstrated that genes and environment both influence intelligence development.