Compared with non-twin siblings, fraternal twins
A) experience the same level of genetic and environmental influence.
B) have more genes in common.
C) have fewer environmental influences in common.
D) have more environmental influences in common.

Question

Quizplus · Accepted Answer

Fraternal twins share about 50% of their genetic material, just like non-twin siblings. However, they do share more environmental influences in common, such as pre-natal environment, early childhood experiences, and shared family and upbringing.

Compared with Non-Twin Siblings, Fraternal Twins