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Tanisha and Tawanda Are Twins but Do Not Look at All

Question 22

Multiple Choice

Tanisha and Tawanda are twins but do not look at all alike.They are the result of fertilization of


A) one oocyte by one sperm cell.
B) one oocyte by two sperm cells.
C) two oocytes by one sperm cell.
D) two oocytes by two sperm cells.
E) one oogonium by one spermatogonium.

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