Reprod 4: Sex determination and development Flashcards

1
Q

how many chromosomes in somatic cells? gamete cells?

A
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2
Q

xx is

A
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3
Q

xy is

A
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4
Q

in the presence of the y chromosome, the bipotential primordium becomes:

A
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5
Q

with no y chromosome, bipotential primordium becomes

A
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6
Q

what does the mullerian duct form

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7
Q

what does the wolfian duct form

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8
Q

in a female what happens to the wolfian duct and why

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9
Q

what happens to the mullerian duct at birth in females

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10
Q

what gene on the y chr promotes testes development

A
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11
Q

what does SRY encode

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12
Q

pathway from bipotential gonad if sry is present

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13
Q

what do AMH and SF1 promote

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14
Q

do testes need testosterone to form

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15
Q

what does SOX9 do

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16
Q

how does sox 9 help organize the tested

A
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17
Q

what happens in the absence of sox 9

18
Q

in females what does the gonadal cortex form? gonadal medulla?

19
Q

in males what does the gonadal cortex form? gonadal medulla?

20
Q

in males what happens to the wolfian dicts?

21
Q

in males what happens to the mullerian duct?

22
Q

what does AMH do?

23
Q

what does DHT develop

24
Q

what does testosterone develop

25
Q

what does AMH lead to

26
Q

explain the pathway from SRY to male genetalia development

27
Q

what structures does testosterone make

28
Q

what structures does DHT make

29
Q

what is the pathway from the bipotential gonad to estrogen in females

30
Q

what does beta catenin do

31
Q

what variations can occur with xy

32
Q

what variations can occur wuth xx

33
Q

what is androgen insensitivity syndrome

34
Q

what is the phenotype in AIS

35
Q

what happens during puberty to those with AIS

36
Q

do people with AIS have menstruation

37
Q

what happens to GnRH during puberty

38
Q

what happens to girls during puberty

39
Q

what happens to boys during puberty

40
Q

how is puberty regulated and activated