4. Fraternal twins result when a. a single egg is fertilized by a single sperm and then...

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4. Fraternal twins result when

a. a single egg is fertilized by a single sperm and then splits.

b. a single egg is fertilized by two sperm and then splits.

c. two eggs are fertilized by two sperm.

d. two eggs are fertilized by a single sperm.

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Psychology

ISBN: 9781319132101

13th Edition

Authors: David G. Myers, C. Nathan DeWall

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