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rferrer1691 rferrer1691
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6 years ago
The true moment of fertilization occurs when what happens?
 
  1. Cortical reaction occurs
  2. Nuclei unite
  3. Spermatozoa propel themselves up the female tract
  4. Sperm surrounding the ovum release their enzymes
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kaylie672kaylie672
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6 years ago
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rferrer1691 Author
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6 years ago
You make an excellent tutor!
emilyas19
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Yesterday
Good timing, thanks!
noodlelicker
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2 hours ago
This site is awesome
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