Biol 360 - Biology of Human Sexuality » Spring 2022 » M4A Sexual Development
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Question #1
Place the general steps of development in chronological order.
A.
person inherits XX or XY chromosomes, Gonads develop, Other internal structures develop, External structures develop, Secondary sex characteristics appear
B.
Gonads develop, person inherits XX or XY chromosomes, Other internal structures develop, Secondary sex characteristics appear, External structures develop,
C.
Other internal structures develop, person inherits XX or XY chromosomes, Gonads develop, Secondary sex characteristics appear, External structures develop,
D.
External structures develop, person inherits XX or XY chromosomes, Gonads develop, Secondary sex characteristics appear, Other internal structures develop,
Question #2
Place the steps of male internal development in order
A.
Inheritance of a Y chromosome, Activation of the SRY gene, Production of TDF, Development of the testes, Production of AMH, Development of Wolffian ducts
B.
Inheritance of a Y chromosome, Development of the testes, Activation of the SRY gene, Production of TDF, Development of Wolffian ducts, Production of AMH
C.
Development of the testes, Inheritance of a Y chromosome, Production of TDF, Activation of the SRY gene, Production of AMH, Development of Wolffian ducts
D.
Development of Wolffian ducts Activation of the SRY gene, Production of TDF, Development of the testes, Inheritance of a Y chromosome, Production of AMH
Question #3
Place the steps of female internal development in order
A.
Activation of DAX1 gene, Inheritance of two X chromosomes, Ovaries develop, No TDF produced, Mullerian ducts develop
B.
Inheritance of two X chromosomes, Activation of DAX1 gene, No TDF produced, Ovaries develop, Mullerian ducts develop
C.
Inheritance of two X chromosomes, Activation of DAX1 gene, No TDF produced, Mullerian ducts develop, Ovaries develop
D.
Inheritance of two X chromosomes, Mullerian ducts develop Activation of DAX1 gene, Ovaries develop, No TDF produced
Question #4
Place the steps of the development of male external structures in chronological order.
A.
Internal structures form, Testes secrete testosterone, Testosterone is converted to DHT, External structures form, Testes descend
B.
External structures form, Testes secrete testosterone, Testosterone is converted to DHT, Internal structures form, Testes descend
C.
Testosterone is converted to DHT, Testes secrete testosterone, External structures form, Testes descend Internal structures form,
D.
Testes descend, Internal structures form, Testes secrete testosterone, Testosterone is converted to DHT, External structures form
Question #5
Which of the following DSDs are caused by nondisjunction?
A.
Congenital Adrenal Hyperplasia (CAH), Androgen Insensitivity Syndrome (AIS), XYY
B.
Turner's Syndrome, Klinefelter's Syndrome, XYY
C.
Congenital Adrenal Hyperplasia (CAH), Turner's Syndrome
D.
Congenital Adrenal Hyperplasia (CAH), Androgen Insensitivity Syndrome (AIS)
Question #6
Which of the following DSDs is caused by problems with hormones?
A.
Congenital Adrenal Hyperplasia (CAH), Androgen Insensitivity Syndrome (AIS),
B.
Triple X Syndrome, Turner's Syndrome
C.
Turner's Syndrome, Klinefelter's Syndrome
Question #7
People with which of the following would have a Y chromosome?
A.
5-Alpha Reductase Deficiency, Androgen Insensitivity Syndrome (AIS), Klinefelter's Syndrome
B.
5-Alpha Reductase Deficiency, Triple X Syndrome
C.
Androgen Insensitivity Syndrome (AIS), Turner's Syndrome, Triple X Syndrome
D.
Turner's Syndrome, Triple X Syndrome
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