MonarchX
How does human fertilization occur in the case of multiple births?
Human fertilization
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replied to: MonarchX
jstack
Replied to: How does human fertilization occur in the case of multiple births?...
Identical twins can occur when two sperm fertilize the same egg.
replied to: jstack
galaxaura
Replied to: Identical twins can occur when two sperm fertilize the same egg....
Fraternal twins occur when two sperm fertilize two eggs.