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LS 2 > Ch 43: Reproduction > Flashcards

Ch 43: Reproduction Flashcards

1
Q

Sexual reproduction

A

Produces offspring that aren’t identical to the parents

Increases genetic variation in a population

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2
Q

Gametogenesis

A

Making of gametes

Occurs in the gonads

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3
Q

Gametes

A

Cells specialized for reproduction
Haploid cells
Ex. egg and sperm

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4
Q

Primary sex organs

A

Gonads - testes and ovaries

Produce gametes and secrete hormones

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5
Q

Accessory sex organs

A

External genitalia

Glands, tubules, and ducts

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6
Q

Epididymis

A

Stores sperm

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7
Q

Testes

A

Generates sperm

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8
Q

Vas deferens

A

Transports sperm

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9
Q

Vas deferens

A

Transports sperm

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10
Q

Seminal vesicle, prostate gland, and bulbourethral gland

A

Glands that secrete semen components
Provide nutrients
Facilitate sperm movements

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11
Q

Leydig cells

A

The Luteinizing hormone acts on the cells to produce testosterone

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12
Q

Sertoli cells

A

FSH acts on the cells to undergo spermatogenesis

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13
Q

Endometrium

A

Thick lining of the uterus

Eggs will implant here after fertilization

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14
Q

Ovarian cycle

A

Produces eggs and hormones in the ovaries

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15
Q

Menstrual cycle

A

Prepares the uterus endometrium for the fertilized egg

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16
Q

Luteinizing hormone

A

The main hormone that drives the ovulation process

17
Q

Fertilization

A

Union of sperm and egg

Creates a zygote

18
Q

Cumulus

A

A think gelatinous matrix

Only the strongest sperm can penetrate the layer

19
Q

Zona pellucida

A

A glycoprotein envelope beneath the cumulus
A species specific mechanism
Proteins only recognize sperm from the same species

LS 2 (14 decks)

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