11. Gonadal Sex Determination Flashcards

1
Q

Secrete
1. testosterone
2. Mullerian Inhibiting
Hormone (MIH)

for development of
a) Wolffian duct and
b) Mullerian duct regression

A

Fetal TESTIS

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2
Q

Secrete estrogen for development of
a) Mullerian duct
b) Wolffian duct regression.

A

Fetal OVARIES

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3
Q
  • Only left ovary is functional
  • Right ovary is rudimentary

(usually undergoes regression alongside with the oviduct)

A

domestic chicken ovary

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4
Q

(3) that has right functional ovary and oviduct (both ovaries are functional)

A

1) falcon
2) hawk
3) kiwi

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5
Q

AVIAN:

secretion of estrogen and progesterone

A

steroidogenesis

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6
Q

AVIAN:

uniquely in chickens, there is continuous
production of follicles

A

oogenesis

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7
Q

Funnel-shaped opening at cranial end of the oviduct

a. Site of fertilization
b. Catches follicle during ovulation
c. Serves as a sperm nest - storage for sperms
d. Contributes to the formation of chalaza

A

Infundibulum

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8
Q

Domestic Chicken OVIDUCT (3)

A
  1. Infundibulum
  2. Magnum
  3. Isthmus
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9
Q

Secretes albumen

A

Magnum

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10
Q

a. Secretes shell membrane (inner & outer) of the egg
b. Produces fluid for albumen

A

Isthmus

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11
Q

Thick, muscular pouch-like structure
- secretes more fluid for albumen

A
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12
Q

Uterus / shell gland secretes ____ ____ to
form egg shell

A

calcium carbonate

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13
Q

Short, muscular tube which opens into
the cloaca

Transports egg out of female reproductive tract into the cloaca

A

Vagina

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14
Q

Common passageway for egg, feces, and urine

A

Cloaca

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