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Ronyn Ronyn
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7 years ago
The sex of a baby is determined by 
A) whether the ovum is carrying an X chromosome or a Y chromosome. 
B) whether the sperm fertilizes an X-bearing or Y-bearing egg.
C) genes on the X chromosome. 
D) whether an X-bearing or a Y-bearing sperm fertilizes the ovum.
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Exploring Lifespan Development

Exploring Lifespan Development


Edition: 3rd
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Vol410Vol410
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7 years ago
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Ronyn Author
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7 years ago
This forum has impressed me, thank you
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