Gametogenesis: Oogenesis in Human Embryo
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Questions and Answers

What is the fate of most oogonia after the seventh month of embryonic development?

  • They form primary oocytes
  • They undergo the first meiotic division
  • They proliferate by mitosis
  • They die (correct)

    • At what stage do the primary oocytes arrest until puberty?

  • Anaphase of the 1st meiotic division
  • Diplotene stage (correct)
  • Metaphase of the 1st meiotic division
  • Prophase of the 1st meiotic division

    • What happens at the onset of puberty in relation to oocytes?

  • They undergo mitosis
  • They form secondary oocytes
  • They periodically resume meiosis (correct)
  • They arrest at the prophase of the 1st meiotic division

    • What is the result of the first meiotic division in primary oocytes?

    <p>Formation of secondary oocyte (n)</p> Signup and view all the answers

    What is the reason for the arrest of primary oocytes at the prophase of the 1st meiotic division?

    <p>Absence of LH</p> Signup and view all the answers

    How do the groups of oocytes behave due to the onset of puberty?

    <p>They periodically resume meiosis</p> Signup and view all the answers

    What is the number of germ cells that form during the second to seventh month of gestation?

    <p>7 million germ cells</p> Signup and view all the answers

    What happens to oogonia after embryonic development?

    <p>They die continuously</p> Signup and view all the answers

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