A Pregnant Patient Asks About the Differences Between Monozygotic and Dizygotic

A pregnant patient asks about the differences between monozygotic and dizygotic twins. Which should the nurse include during this teaching?

A) Dizygotic twins share one placenta and one chorion.
B) Monozygotic twins are also referred to as "fraternal" twins.
C) Dizygotic twinning occurs less frequently than does monozygotic twinning.
D) Monozygotic twins originate from division of the fertilized ovum at different stages.