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

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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

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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

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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

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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
what does AMH lead to
26
explain the pathway from SRY to male genetalia development
27
what structures does testosterone make
28
what structures does DHT make
29
what is the pathway from the bipotential gonad to estrogen in females
30
what does beta catenin do
31
what variations can occur with xy
32
what variations can occur wuth xx
33
what is androgen insensitivity syndrome
34
what is the phenotype in AIS
35
what happens during puberty to those with AIS
36
do people with AIS have menstruation
37
what happens to GnRH during puberty
38
what happens to girls during puberty
39
what happens to boys during puberty
40
how is puberty regulated and activated