Tim and Jim are identical twins who were raised apart. Ned and Ed are fraternal twins who were raised together. Which pair of twins will have more similar IQ scores, if either?
A) Tim and Ji.
B) Ned and E.
C) Their IQs will be the same, because environment and genetics interact equally across both cases.
D) It is impossible to answer based on the given information.
E) All twins have the same IQ.

Question

Quizplus · Accepted Answer

Identical twins, like Tim and Jim, share 100% of their genes, making their IQ scores more likely to be similar compared to fraternal twins like Ned and Ed, who share only about 50% of their genes. Environmental factors do play a role in IQ, but genetic factors are significant, especially in identical twins.

Tim and Jim Are Identical Twins Who Were Raised Apart