BIOA01H3 Chapter Notes - Chapter 21: Heterozygote Advantage, Allele Frequency, Balancing Selection

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BIOA01H3 Full Course Notes
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However, as the frequency of the b increases it will eventually result in deleterious bb. Charles darwin: species are not unchanging organisms, they adapt and change according to their environment, natural selection is the mechanism for which organisms have become to adapted to their environments. In 1858, darwin was motivated to publish his findings when alfred wallace, living in. Asia, had developed the same theory of evolution through natural selection. Fitness: a measure of the extent to which the individual"s genotype is represented in the next generation. If there is a plant a and plant b, the more fit plant can be assessed by the number of surviving offspring each one produces. This shows that overtime the advantageous genes of the more successful plant will be emphasized: even small changes in allele frequencies or the environment will have grand impacts in the future populations as time progresses.

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