A farmer is interested in an interesting colour in his lilies. Colour in lilies is controlled by a single autosomal gene (Gene H) with two alleles. The H-allele results in a purple flower, while the recessive allele results in a white flower. The farmer has a plant that has purple flowers. Can you suggest how the farmer can determine the genotype (HH or Hh) of his purple flowered plant in a single cross? Describe this cross and provide details on how you would interpret the results.

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