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DougMcCartney DougMcCartney
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6 years ago
Fraternal twins form when
a. a sperm splits in half and fertilizes two eggs that have been released at the same time.
b. a single egg that is fertilized by two different sperm splits in half and develops into two fetuses.
c. two eggs are released at once and fertilized by two different sperm.
d. a single egg, fertilized by a sperm, splits in half and develops into two fetuses.
Textbook 
The World of Psychology, Canadian Edition

The World of Psychology, Canadian Edition


Edition: 8th
Authors:
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Heyoo
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TolgahanTolgahan
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6 years ago
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"We know what we are but not what we may be."  Ophelia in Hamlet

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DougMcCartney Author
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#2
6 years ago
My first choice as well, TY for confirming
Heyoo
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