stages of development (HARD!!)

65 Responses | Created by Mein_Herr_Contra_Mundi |
  1. 1

    hCG is secreted in the human female immediately after conception. How would a gynecologist use this information?

  2. 2

    A human embryo doesn't need the kind of yolk that is present in a chick embryo. Explain.

  3. 3

    Jim was observing a frog embryo in which the brain and spinal cord were formed. In what stage is the embryo?

  4. 4

    A scientist carries out a minor mutation in a frog embryo in the blastula stage. Which choice would be a possible consequence of this mutation?

  5. 5

    Anne has been observing human embryos in different stages. She wants to study the gastrula phase. How will she find it?

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