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Sexual Differentiation and Genetic Sex Quiz

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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?

Germ cells, Sertoli cells, and Leydig cells Signup and view all the answers

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

Ovaries Signup and view all the answers

What defines gonadal sex?

Presence of male gonads or female gonads Signup and view all the answers

What do Sertoli cells synthesize in the male gonads?

Antimüllerian hormone Signup and view all the answers

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

Synthesize progesterone Signup and view all the answers

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

Testosterone Signup and view all the answers

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

Synthesize estradiol Signup and view all the answers

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

Develop into oocytes Signup and view all the answers

Which cells synthesize antimüllerian hormone in the male gonads?

Sertoli cells Signup and view all the answers

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

Synthesize testosterone Signup and view all the answers

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

The testes synthesize antimüllerian hormone and testosterone, while the ovaries do not. Signup and view all the answers

What defines phenotypic sex according to the text?

Physical characteristics of the internal genital tract and external genitalia Signup and view all the answers

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

Fallopian tubes, uterus, and upper one-third of the vagina Signup and view all the answers