Kara and Samantha Are Fraternal Twins

Multiple Choice

Kara and Samantha are fraternal twins. Kara is very open to new experiences. What can we determine about Samantha's personality?

A) Samantha is also very open to new experiences.
B) Samantha is no more likely to be open to new experiences than any other sibling would be.
C) Samantha is not open to new experiences.
D) Samantha's personality will be entirely determined by her environment.