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Cp Biology > Reproduction > Flashcards

Reproduction Flashcards

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0
Q

How many chromosomes as a human have

A

They come in 23 pairs so total of 46

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1
Q

Gene

A

A section of DNA responsible for a particular trait or function

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2
Q

What happens in mitosis

A

Two daughter cells are created

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3
Q

Meiosis

A

Cell division resulting in sex sells

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4
Q

What happens to the DNA with sex sells

A

One half of the DNA of the somatic cell

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5
Q

How do the sex cells change

A

They go from diploid two haploid

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6
Q

Interphase

A

Regular process, DNA replicates

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7
Q

Prophase one

A

Chromosomes get near homologous pair, spindle forms

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8
Q

Metaphase one

A

Spindle fibers attached to chromosomes, pair and lineup in the center

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9
Q

Anaphase one

A

Chromosomes pull apart

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10
Q

Telophase one and cytokinesis

A

Nuclear envelope reforms around chromosomes, cells separate into two cells with half of the chromosomes

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11
Q

Prophase two

A

Ready for second division

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12
Q

Metaphase to

A

Chromosomes line up in the center

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13
Q

Anaphase to

A

Chromosomes split apart, reform new sister chromatids

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14
Q

Tell a phase 2 and cytokinesis

A

For new cells are formed with one half of the chromosomes

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15
Q

Crossing over

A

During prophase one and metaphase one segment of chromosomes may overlap and become switched

16
Q

Binary fusion

A

Every organelle is copied an organism divides into two

17
Q

Budding

A

New organism develops from outgrowth of parent butts off and lives independently

18
Q

Fragmentation

A

Parent breaks off into parts, regenerating into a new individual

19
Q

Parthenogenesis

A

Development of the egg that hasn’t been fertilized

20
Q

Internal sexual reproduction

A

Egg is fertilized inside the female

21
Q

External reproduction

A

Egg is fertilized outside

22
Q

Monogamy

A

One partner

23
Q

Polygamy

A

Many mating partners

24
Q

R selection

A

Quick and many, small body size, short lifespan, sexually mature slow, carry many young

25
Q

Kselection

A

Slow and few, large body size, long lifespan, take a long time to sexually mature, 1 to 2 young

26
Q

Oviparity

A

Eggs released by mother, develop outside, nurtures from yolk

27
Q

VIvaparity

A

Placement mammals, increased chance of surviving in the body

Cp Biology (19 decks)

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