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Home Q & A Board Biology-Related Homework Help General Biology
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hmpark224 hmpark224
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6 years ago
During a human pregnancy, implantation occurs at which stage?
  a. zygote
  b. early cleavage
  c. blastocyst
  d. gastrula
  e. morula

Question 2

Implantation occurs approximately
  a. one day after fertilization.
  b. three days after fertilization.
  c. one week after fertilization.
  d. two weeks after fertilization.
  e. one month after fertilization.
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strevi49strevi49
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6 years ago
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hmpark224 Author
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#2
6 years ago
TY
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6 years ago
My pleasure
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