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Biology 310 > Reproductive System > Flashcards

Reproductive System Flashcards

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0
Q

Two kinds of reproduction

A

Asexual

Sexual

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1
Q

The creation of new individuals

A

Reproduction

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2
Q

Making new individuals through fusion of sex cells

A

Sexual reproduction

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3
Q

Making an exact replica of adult

Genetically identical

A

Asexual Reproduction

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4
Q

Budding, Fission, and parthenogenesis are examples of:

A

Asexual reproduction

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5
Q

Define budding

A

When a small individual grows off adult body and buds off

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6
Q

Define fission

A

When an individual splits into two

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7
Q

Define parthenogenesis

A

When a genetically unique individual is born from an unfertilized egg

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8
Q

Which kind of reproduction creates a new & unique genetic combination?

A

Sexual reproduction

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9
Q

Advantages of sexual reproduction

A

Increases survivorship as environment changes

Allows for greater variety which can lead to evolution of the species

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10
Q

Disadvantages of sexual reproduction

A

Have to find a mate
Needs synchronized timing
Sex cells must meet

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11
Q

Two strategies for fertilization

A
  1. External

2. Internal

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12
Q

External fertilization:

A

Sex cells meet outside the body
Usually need water to mix
Needs a lot of sex cells since many don’t meet

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13
Q

Internal fertilization:

A

Sex cells meet inside (requires copulation)
More reliable for sex cells to meet
Not water reliant

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14
Q

Human female strategy of sex cells

A

Fewer, large sex cells with a better chance of survival for each

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15
Q

Human male strategy of sex cells

A

Many, very small sex cells, high volume makes up for the fact that few will survive

16
Q

Sex cells=

A

Gametes

17
Q

Gametes:

A

Sperm + Egg

18
Q

Sex cells have _____ the normal amount of DNA in the parents cells?

A

1/2

19
Q

Spermatogenesis:

A

The formation of sperm

20
Q

Oogenesis

A

Formation of eggs

21
Q

Cyclic changes to the uterus preparing uterus for pregnancy

A

Menstrual cyclw

22
Q

Zygote:

A

When the sperm and egg combine

Biology 310 (5 decks)

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