Behaviour genetic studies have revealed that fraternal twins reared together and identical twins reared together are equally similar on Trait Q. This indicates the importance of:

Question

Quizplus · Accepted Answer

If fraternal twins (who share about 50% of their genes) and identical twins (who share about 100% of their genes) are equally similar on Trait Q when reared together, it suggests that the shared environment, rather than genetics, plays a significant role in the development of that trait.

Behaviour Genetic Studies Have Revealed That Fraternal Twins Reared Together