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27 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Modern synthesis ? |
How natural selection and genetics work together to cause evolution in a population. |
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Microevolution ? |
Small changes in a population over time. |
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Macroevolution ? |
Looks at what causes a species to change over time. |
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Population genetics ? |
Looks at different forces that affect the frequency of an allele. |
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Genetic drift ? |
When only some of the population gets to breed when others don't. |
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Bottleneck effect ? |
Natural event occurs to knock out a lot of the population. |
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Gene flow ? |
The flow of alleles in and out of a population due to migration. |
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Nonrandom mating ? |
Some organisms get to mate more because of their features are more likely picked. |
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Assortative mating ? |
An individual picks a mate that is most similar to them. |
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Cline ? |
Is a gradual change in the traits of a population across a geographic area because of a change in environmental factors. |
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Adaptive evolution ? |
Evolution that occurs because of natural selection so good alleles become more present and bad alleles become less present. |
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Evolutionary fitness ? |
Number of positive traits that an organism provides. |
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Relative fitness ? |
It's how likely an organism is to pass on its traits compared to the other people's in the group. |
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Stabilizing selection ? |
When evolution favors the middle. |
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Allele frequency ? |
Rate the allele appeared in a population. |
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Directional selection ? |
When one extreme of variation is selected. |
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Diversifying selection ? |
Better to be at one of the ends (extreme) instead of the middle because the extreme is more beneficial. |
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Sexual dimorphism's ? |
Different between male and female that is used to select or attract a mate. |
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Handicap principle ? |
More likely you are to reproduce the more likely you are to die off. |
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Gene pool ? |
The different alleles that are possible. |
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Founder effect ? |
Something that causes a change in allele frequency. |
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Genetic structure ? |
The frequency of different genotype in the population. |
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Heritability ? |
How much of a trait can be contributed to genetics and outside factors. |
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Genetic variance ? |
Different alleles and genotypes that are present. |
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Inbreeding ? |
Interfamily breeding. |
Arkansas |
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Inbreeding depression ? |
Negative traits come out because of inbreeding. |
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Selection pressure ? |
Things that makes a trait more beneficial. |
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