Heredity having a large effect on the intelligence of adults than environment is True.
This is defined as the genetic heritage passed down by our biological parents. This is done through genetic materials such as the chromosomes.
In a test done by Alfred Binet, it was discovered that those who score high on scales of emotional intelligence have issues in social situations which depicts that Heredity have a large effect on the intelligence in adults.
Read more about Heredity here https://brainly.com/question/198623