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In a particular flower, a single pair of alleles determines the petal color (C). Red flowers have the genotype CR/CR (homozygous for CR), white flowers have the genotype Cr/Cr (homozygous for Cr) and pink flowers have the genotype CR/Cr (they are heterozygous).

In a given population, 49 flowers had red petals, 42 had pink petals and 9 had white petals. What are the frequencies of the CR and Cr alleles?

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