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Human Body Step 7: Reproductive System Flashcards | StudBud
Human Body Step 7: Reproductive System
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Identical twins occur when....
A
Cloning an egg.
B
One egg is fertilized by one sperm, but splits into 2 zygotes.
C
2 eggs fertilized by 2 sperm that results in 2 offspring (like siblings)
D
Cloning sperm.
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