Quest 3 Examples Flashcards

1
Q

Rock Pocket mouse

A

example of frequency-independent selection, fitness associated with a trait is not directly dependent on the frequency of the trait in a population

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2
Q

malaria and sickle cell - Kuru

A

good example of overdominance

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3
Q

immune function in mice

A

the directional selection frequency is independent as the frequency of the allele dictates what goes to fixation. selection does not.
this is due to selection acting upon phenotype not genotype and the gene is not observed. Even if NZW/NZW is rare, still selected for

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4
Q

Drosophilia maggots, and elder flowers

A

examples of frequency-dependent selection

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5
Q

sunflowers

A

example of viability selection vs. fecundity selection. even though the hybrid flowers had high survival rates (viability) just like the wild type, their total number of viable seeds (fecundity) was drastically lower.

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