Sexual Differentiation and Genetic Sex Quiz
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Questions and Answers

What determines genetic sex in humans?

  • XX chromosomes in females (correct)
  • Presence of SRY gene
  • Testes development
  • Gonadal sex

Which of the following is responsible for the development of testes in genetic males?

  • Gonadal sex
  • SRY gene (correct)
  • XX chromosomes
  • Ovaries development

During the first 5 weeks of gestational life, what is the status of the gonads?

  • Indifferent or bipotential (correct)
  • Active
  • Female
  • Male

What comprises the male gonads, the testes?

<p>Germ cells, Sertoli cells, and Leydig cells (B)</p> Signup and view all the answers

At approximately gestational week 9 in genetic females, which of the following begin to develop?

<p>Ovaries (B)</p> Signup and view all the answers

What defines gonadal sex?

<p>Presence of male gonads or female gonads (D)</p> Signup and view all the answers

What do Sertoli cells synthesize in the male gonads?

<p>Antimüllerian hormone (B)</p> Signup and view all the answers

What is the role of the theca cells in the female gonads?

<p>Synthesize progesterone (C)</p> Signup and view all the answers

Which hormone is decisive in determining phenotypic male development in a fetus?

<p>Testosterone (D)</p> Signup and view all the answers

What is the function of granulosa cells in the female gonads?

<p>Synthesize estradiol (C)</p> Signup and view all the answers

What is the role of meiotic oogonia surrounded by granulosa cells and stroma?

<p>Develop into oocytes (A)</p> Signup and view all the answers

Which cells synthesize antimüllerian hormone in the male gonads?

<p>Sertoli cells (D)</p> Signup and view all the answers

What is the role of Leydig cells in the male gonads?

<p>Synthesize testosterone (B)</p> Signup and view all the answers

What are the key differences between the male and female gonads that influence phenotypic sex?

<p>The testes synthesize antimüllerian hormone and testosterone, while the ovaries do not. (D)</p> Signup and view all the answers

What defines phenotypic sex according to the text?

<p>Physical characteristics of the internal genital tract and external genitalia (A)</p> Signup and view all the answers

What are part of the internal genitalia in females according to the text?

<p>Fallopian tubes, uterus, and upper one-third of the vagina (B)</p> Signup and view all the answers

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