Allele frequency refers to how common an allele is in a population. It is determined by counting how many times the allele appears in the population then dividing by the total number of copies of the gene. The gene pool of a population consists of all the copies of all the genes in that population.
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I think its photosynthesis because its converts carbon dioxide. Also some plants use it too.
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I think the electron microscope can magnify objects up to 200,000 times.
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