Question: Twin and adoption studies have been instrumental in providing insights into the heritability of intelligence. Based on the data obtained from these studies, what conclusions can be drawn about the interplay between genetic factors and environmental influences in determining an individual's cognitive abilities? Intelligence is entirely determined by environmental factors. Need Assignment Help?
- Genetics alone determine intelligence, with no influence from the environment.
- Environmental factors play no role in intelligence.
- Genetic influences explain a significant portion of the observed variation in intelligence, but the environment also plays a crucial role.
- Intelligence is entirely determined by environmental factors.