The fraggles are a population of mythical, mouse-like creatures that live in underground tunnels and chambers beneath a large vegetable garden (which supplies their food). Of the 80 fraggles in this population, 60 have green fur and 20 have gray fur. Green fur is controlled by a dominant allele and gray fur by a recessive allele. Assuming Hardy-Weinberg equilibrium, how many fraggles are homozygous dominant?
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