Multiple choice

Which among the following statements does not characterise embryogenesis in human beings?

  1. Cells of the epiblast migrate along the outer edges of the reticulum.

  2. Human embryology is the study of this development during the first twelve weeks after fertilisation.

  3. The germinal stage takes around 10 days.

  4. The neural plate will form opposite the primitive streak in fetus.

  5. An embryonic disc is a bilaminar disc.
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B Correct answer
Explanation

Human embryology is the study of this development during the first eight weeks after fertilisation. The normal period of gestation (pregnancy) is nine months or 38 weeks.

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