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Questions and Answers

What is sexual differentiation?

  • The process of becoming male or female during embryonic development. (correct)
  • The process of becoming male or female during adulthood
  • The process of becoming male or female during puberty.
  • The process of becoming male or female during old age

    • What is sexual differentiation?

  • The process of becoming asexual during embryonic development.
  • The process of becoming intersex during embryonic development.
  • The process of becoming male or female during embryonic development. (correct)
  • The process of becoming non-binary during embryonic development.

    • What is sexual determination?

  • The first thing that develops to identify whether the fetus is male or female
  • A molecular switch that determines the pathway an embryo will take (correct)
  • The development of internal and external genitalia influenced by the products of the pair of gonads
  • The process of becoming male or female during embryonic development

    • What is sexual differentiation?

    <p>The process of becoming male or female during embryonic development.</p> Signup and view all the answers

    What is sexual determination?

    <p>A molecular switch that determines the pathway an embryo will take</p> Signup and view all the answers

    What is sexual determination?

    <p>A molecular switch that determines the pathway an embryo will take</p> Signup and view all the answers

    What is gonadal sex?

    <p>The first thing that develops to identify whether the fetus is male or female</p> Signup and view all the answers

    What is sexual determination?

    <p>The process of becoming male or female during embryonic development.</p> Signup and view all the answers

    What is gonadal sex?

    <p>The first thing that develops to identify whether the fetus is male or female</p> Signup and view all the answers

    What is sexual determination?

    <p>A molecular switch that determines the pathway an embryo will take</p> Signup and view all the answers

    Which gene determines gonadal sex?

    <p>SRY gene on the Y chromosome</p> Signup and view all the answers

    What is gonadal sex?

    <p>The first thing that develops to identify whether the fetus is male or female</p> Signup and view all the answers

    Which gene determines gonadal sex?

    <p>SRY gene on the Y chromosome</p> Signup and view all the answers

    What is gonadal sex?

    <p>The first thing that develops to identify whether the fetus is male or female</p> Signup and view all the answers

    What is gonadal sex?

    <p>The first thing that develops to identify whether the fetus is male or female</p> Signup and view all the answers

    What determines gonadal sex?

    <p>The SRY gene on the Y chromosome</p> Signup and view all the answers

    What is the role of 5α-reductase in sexual differentiation?

    <p>It converts testosterone to DHT, which causes differentiation of the male external genitalia</p> Signup and view all the answers

    What determines gonadal sex?

    <p>The SRY gene on the Y chromosome</p> Signup and view all the answers

    What is the role of 5α-reductase in sexual differentiation?

    <p>It converts testosterone to DHT, which causes differentiation of the male external genitalia</p> Signup and view all the answers

    What determines gonadal sex?

    <p>The SRY gene on the Y chromosome</p> Signup and view all the answers

    What are the disorders of sexual differentiation?

    <p>Gonadal dysgenesis and sex reversal</p> Signup and view all the answers

    What influences the development of internal and external genitalia?

    <p>The products of the pair of gonads.</p> Signup and view all the answers

    What influences the development of internal and external genitalia?

    <p>The products of the pair of gonads.</p> Signup and view all the answers

    What are the disorders of sexual differentiation?

    <p>Gonadal dysgenesis and sex reversal</p> Signup and view all the answers

    What influences the development of internal and external genitalia?

    <p>The products of the pair of gonads.</p> Signup and view all the answers

    What enzyme converts testosterone to DHT?

    <p>5α-reductase</p> Signup and view all the answers

    What is Androgen Insensitivity Syndrome (AIS)?

    <p>When a patient is XY and makes testosterone, but it has no effect</p> Signup and view all the answers

    What is Androgen Insensitivity Syndrome (AIS)?

    <p>When a patient is XY and makes testosterone, but it has no effect</p> Signup and view all the answers

    What is the role of 5α-reductase in sexual differentiation?

    <p>It converts testosterone to DHT, which causes differentiation of the male external genitalia</p> Signup and view all the answers

    What is the enzyme that converts testosterone to DHT?

    <p>5α-reductase</p> Signup and view all the answers

    What is the cause of salt wasting in congenital adrenal hyperplasia?

    <p>Lack of aldosterone</p> Signup and view all the answers

    What are some disorders of sexual differentiation?

    <p>Gonadal dysgenesis, sex reversal, and intersex.</p> Signup and view all the answers

    What are some disorders of sexual differentiation?

    <p>Gonadal dysgenesis, sex reversal, and intersex.</p> Signup and view all the answers

    What is the cause of salt wasting in congenital adrenal hyperplasia?

    <p>Lack of aldosterone</p> Signup and view all the answers

    What are some disorders of sexual differentiation?

    <p>Gonadal dysgenesis, sex reversal, and intersex.</p> Signup and view all the answers

    What is Androgen Insensitivity Syndrome (AIS)?

    <p>A condition where a patient is XY and makes testosterone, but it has no effect.</p> Signup and view all the answers

    What is the treatment for congenital adrenal hyperplasia?

    <p>Glucocorticoid treatment</p> Signup and view all the answers

    What is Androgen Insensitivity Syndrome (AIS)?

    <p>When a patient is XY and makes testosterone, but it has no effect.</p> Signup and view all the answers

    What is the treatment for congenital adrenal hyperplasia?

    <p>Glucocorticoid treatment</p> Signup and view all the answers

    What is Androgen Insensitivity Syndrome (AIS)?

    <p>A condition where a patient is XY and makes testosterone, but it has no effect.</p> Signup and view all the answers

    What is the current treatment for partial AIS?

    <p>No treatment is necessary</p> Signup and view all the answers

    What is Turner's syndrome?

    <p>A genetic disorder that results in female external genitalia</p> Signup and view all the answers

    What is the current treatment for partial AIS?

    <p>No treatment is necessary</p> Signup and view all the answers

    What is the treatment for congenital adrenal hyperplasia?

    <p>Glucocorticoid treatment.</p> Signup and view all the answers

    What is the treatment option for partial AIS?

    <p>Surgery is now optional for partial AIS treatment.</p> Signup and view all the answers

    Is surgery necessary for partial AIS treatment?

    <p>No, it is now optional.</p> Signup and view all the answers

    What is Turner's syndrome?

    <p>A genetic disorder that results in female external genitalia</p> Signup and view all the answers

    What is Turner's syndrome?

    <p>A genetic disorder that results in female external genitalia</p> Signup and view all the answers

    What is Turner's syndrome?

    <p>A genetic disorder that results in female external genitalia</p> Signup and view all the answers

    What can congenital adrenal hyperplasia cause?

    <p>Both male and female internal genitalia</p> Signup and view all the answers

    Study Notes

    1. Sexual differentiation is the process of becoming male or female during embryonic development.
    2. Sexual determination is a molecular switch that determines the pathway an embryo will take.
    3. Gonadal sex is the first thing that develops to identify whether the fetus is male or female.
    4. The SRY gene on the Y chromosome determines gonadal sex.
    5. The development of internal and external genitalia is influenced by the products of the pair of gonads.
    6. 5α-reductase is an enzyme that converts testosterone to DHT, which causes differentiation of the male external genitalia.
    7. Disorders of sexual differentiation include gonadal dysgenesis, sex reversal, and intersex.
    8. Androgen Insensitivity Syndrome (AIS) occurs when a patient is XY and makes testosterone, but it has no effect.
    9. Patients with complete AIS appear totally female at birth and are assigned the female gender despite having an XY.
    10. Terms such as 'pseudohermaphrodite' and 'testicular feminisation' are now obsolete.
    11. Undescended testes can be a sign of gonadal dysgenesis.
    12. Primary amenorrhoea and lack of body hair can indicate gonadal dysgenesis.
    13. Karyotyping can reveal the XY genotype despite a female phenotype in gonadal dysgenesis.
    14. Turner's syndrome is a genetic disorder that results in female external genitalia.
    15. Congenital adrenal hyperplasia can cause both male and female internal genitalia.
    16. The HPG axis is flawed in congenital adrenal hyperplasia.
    17. The lack of aldosterone in congenital adrenal hyperplasia can cause salt wasting.
    18. Glucocorticoid treatment is necessary in congenital adrenal hyperplasia.
    19. Surgery is now optional for partial AIS treatment.
    20. Turner's syndrome is a spectrum disorder.

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    Description

    Test your knowledge on sexual differentiation and disorders in this informative quiz! From the role of the SRY gene in determining gonadal sex to the various forms of disorders of sexual development, this quiz covers it all. You'll learn about the development of internal and external genitalia, the HPG axis, and the latest treatments for conditions like AIS and congenital adrenal hyperplasia. Sharpen your understanding of sexual differentiation and take the quiz now!

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