Two babies that come from different fertilized eggs may be
A. siblings.
B. dizygotic twins
C. unrelated
D. all of the above
Question 2
Researchers using the twin study method take advantage of which naturally occurring phenomenon?
A. Monozygotic twins have identical genes.
B. Dizygotic twins have similar genes.
C. Monozygotic twins are often treated alike by parents.
D. Dizygotic twins are more alike genetically than typical siblings.