Forces are always acting on the genes of a population, causing natural selection to occur. Describe the forces that affect the genes in a population. Use details to support your answer.

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Q: fitness and relate it to the meaning of selection coefficient.

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Q: Many genetic disorders, such as cystic fibrosis and sickle-cell disease are due to mutations in a…

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Q: Explain in your own words why natural selection acts on the PHENOTYPE and not the GENOTYPE

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Q: Describe why fitness has a molecular basis. How does DNA play a role in an organism's fitness? Is…

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Q: You have a population of flies in a tank in your lab.  The population is in Hardy-Weinberg…

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Q: How do allele frequencies change if the two homozygotes have equal fitness, but heterozgotes have a…

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A: It's depends on how fast new mutation occur

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Q: Let's assume that there are only two alleles in the population, with the A allele dominant over the…

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Q: All of the following social circumstances are likely to increase the intensity of selection on…

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Q: New traits appear in most or all individuals in a population at the same time."   Please explain…

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Pre-Darwinian Concepts