Compared with identical twins,fraternal twins are
A) more likely to be the same sex and more likely to be similar in extraversion.
B) more likely to be the same sex and less likely to be similar in extraversion.
C) less likely to be the same sex and less likely to be similar in extraversion.
D) less likely to be the same sex and equally likely to be similar in extraversion.

Question

Quizplus · Accepted Answer

Fraternal twins develop from two different eggs fertilized by two different sperm, making them genetically similar to regular siblings, hence they are less likely to be the same sex and less likely to be similar in extraversion compared to identical twins, who develop from a single fertilized egg that splits.

Compared with Identical Twins,fraternal Twins Are