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AppleGrabFace AppleGrabFace
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6 years ago
The key factor that determines whether the undifferentiated gonads develop into testes is the
 
  a. gene Sry located on the Y chromosome.
  b. secretion of testosterone from the adrenals.
  c. gene Sry located on the X chromosome.
  d. 21st pair of chromosomes.
  e. secretion of androgens from the gonads.
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LittleMarcLittleMarc
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6 years ago
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