Gametogenesis: Spermatogenesis and Oogenesis
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Questions and Answers

Which process involves the transformation of spermatid into a spermatozoon?

  • Oogenesis
  • Spermiogenesis (correct)
  • Sertoliogenesis
  • Oogoniagenesis

    • Where does spermatogenesis occur in males?

  • Seminiferous tubules of the testes (correct)
  • Endometrium
  • Ovaries
  • Oviducts

    • Which cells provide support and nutrition to germ cells in the process of spermatogenesis?

  • Acrosomal cells
  • Luteinizing cells
  • Oogonia cells
  • Sertoli (sustentacular) cells (correct)

    • Which hormone regulates the process of testosterone production in males?

    <p>Luteinizing hormone (LH)</p> Signup and view all the answers

    What are the segments that make up the tail of a spermatozoon?

    <p>Middle piece, principal piece, and end piece</p> Signup and view all the answers

    Where are oogonia present in females?

    <p>Cortex</p> Signup and view all the answers

    During spermatogenesis, primary spermatocytes undergo meiosis II to produce secondary spermatocytes.

    <p>False</p> Signup and view all the answers

    Spermatids are diploid cells that further specialize to eventually form spermatozoa.

    <p>False</p> Signup and view all the answers

    Oogenesis involves the formation of several types of germ cells including granulosa cells.

    <p>True</p> Signup and view all the answers

    Most primordial follicles mature to become oocytes after puberty due to a stimulatory mechanism.

    <p>False</p> Signup and view all the answers

    Gametogenesis is the process by which mature cells develop into immature gametes like spermatozoa and oocytes.

    <p>False</p> Signup and view all the answers

    Spermatogenesis takes approximately 90 days to complete in humans.

    <p>False</p> Signup and view all the answers

    What is the main purpose of gametogenesis?

    <p>To produce haploid cells with half the chromosome count</p> Signup and view all the answers

    Which of the following describes the process of spermatogenesis?

    <p>Production of male germ cells or spermatozoa</p> Signup and view all the answers

    What happens to the four haploid cells produced during meiosis in spermatogenesis?

    <p>Two of the cells die, leaving two functional sperm</p> Signup and view all the answers

    Where does oogenesis primarily occur?

    <p>In the ovaries</p> Signup and view all the answers

    What is the result of meiosis in oogenesis?

    <p>Two functional eggs with half the chromosome count</p> Signup and view all the answers

    Which statement accurately distinguishes between spermatogenesis and oogenesis?

    <p>Oogenesis produces diploid cells while spermatogenesis produces haploid cells</p> Signup and view all the answers

    What is the main function of the acrosomal cap in spermatozoa?

    <p>Facilitating penetration of the egg during fertilization</p> Signup and view all the answers

    How does oogenesis differ from spermatogenesis in terms of timing?

    <p>Spermatogenesis begins earlier in fetal development</p> Signup and view all the answers

    Where does the second meiotic division occur in oogenesis if the oocyte is not fertilized?

    <p>Fallopian tube</p> Signup and view all the answers

    Which statement accurately describes the fate of a mature human egg if not fertilized?

    <p>It disintegrates within 24 hours</p> Signup and view all the answers

    What is the role of primary spermatocytes in spermatogenesis?

    <p>Completing meiosis to become spermatozoa</p> Signup and view all the answers

    How does the duration of sperm viability compare to that of eggs outside the body?

    <p>Sperm remain viable longer than eggs</p> Signup and view all the answers

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