AP Biology Quiz
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NATURAL SELECTION
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In a small island population of 120 lizards, allele G at a color locus had frequency 0.50 in 2010. A hurricane in 2011 randomly killed most individuals, leaving 18 survivors that founded the next generations. By 2013, the allele G frequency in the population was 0.78, and no consistent difference in survival or reproduction was detected among color phenotypes. Which process is most likely responsible for the observed change in allele frequency?
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