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Youngbailey97 Youngbailey97
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6 years ago
What determines whether a mammal develops male or female external genitals?
 
  a. the amount of testosterone during prenatal development
 b. the amount of estrogens during prenatal development
 c. the difference (subtraction) between testosterone and estrogen levels in prenatal development
  d. the ratio (division) between testosterone and estrogen levels in prenatal development
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dc0063dc0063
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6 years ago
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Youngbailey97 Author
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6 years ago
You make an excellent tutor!
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Yesterday
this is exactly what I needed
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2 hours ago
Thanks
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