Multiple Choice
Harold and Heather are dizygotic twins. They are the result of _____.
A) one ovum fertilized by one sperm that split into two zygotes
B) two separate ova that were fertilized by two different sperm
C) one ovum that was fertilized by two sperm
D) two ova that were fertilized by one sperm
Correct Answer:

Verified
Correct Answer:
Verified
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