Meiosis & Genetic Recombination Flashcards

1
Q

Reproduction producing genetically identical whole populations…

A

Mitosis

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2
Q

A stable & resourceful method of populating…

A

Asexual Reproduction

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3
Q

Pros of asexual reproduction?

A

Fast!

Energy Savings

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4
Q

Cons of asexual reproduction?

A

No genetic diversity! (Antibiotic Resistance)

Passes on 100% of genes to offspring

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5
Q

This leads to greater diversity in a population..

A

Sexual recombination!

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6
Q

This diversity comes from =

A

Genetic Recombination

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7
Q

Greater variation in the population leads to:

A

Stability & Longevity

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8
Q

Individually variation comes from 1 or 2 sources:

A

Meiosis

Recombination

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9
Q

Animals have a ___________ life cycle.

A

Diplontic

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10
Q

Only single celled diploid state for humans?

A

Zygote

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11
Q

Funi have a ________ life cycle.

A

Haplontic

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12
Q

Multicellular fungi are all ________.

A

Haploid

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13
Q

In haplontic, gametes are produced by ______ and are ________.

A

Mitosis

Haploid

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14
Q

Plants have a ___________ life cycle.

A

Haplodiplontic

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15
Q

In plants, gametes are produced by _______

A

Mitosis & Meiosis

Haploid (Mitosis/Asexual) & Diploid (Meiosis)

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16
Q

In Plants, haploid multicellular organisms create…

A

Gametophyte

17
Q

In Plants, diploid multicellular organisms creat…

A

Sporophytes

18
Q

Haploid cells have ___ complete set of genes & there are __ in humans.

A

One, 23

19
Q

In individual chromosomes (autosomes) what is largest & smallest?

A

1 –> 22

20
Q

The 23rd?

A

X or Y (Sex Chromosomes)

21
Q

Therefore, a haploid set =

A

22+1 Sex Chromosome

22
Q

Diploid cells have ___ complete sets or __ chromosomes with __ or __.

A

Two
46
XX or XY

23
Q

Diploid chromosomes appear as:

A

Homologous Pairs

24
Q

Homologous pairs have:

A

2 Pairs of each gene

25
Q

In homologous pairs, entire sets come from:

A

Maternal (23) and Paternal (23)

26
Q

Different forms of the same gene are…

A

Alleles

27
Q

The human karyotype has:

A

22 Pairs of Autosomes

1 Pair of Sex Chromosomes

28
Q

Homologous pairs are….

A

Diploid

29
Q

If no homologous pairs…

A

Haploid

30
Q

Diploid cells have __ sets of chromosomes.

A

2

31
Q

Haploid cells have __ set of chromosomes.

A

1