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The Hardy-Weinberg equation is useful for predicting the percent
of a human population that may be heterozygous carriers of recessive
alleles for certain genetic diseases. Phenylketonuria (PKU) is
a human metabolic disorder that results in mental retardation
if it is untreated in infancy. In the United States, one out of
approximately 10,000 babies is born with the disorder. Approximately
what percent of the population are heterozygous carriers of the
recessive PKU allele?
If you need help, look back at the Hardy-Weinberg equation.
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