The white-tailed deer, Odocoileus virginianus, is common in the Eastern United States. Most deer have reddish brown fur, but occasionally a deer may be born with a genetic condition known as albinism which results in white fur. Albinism is caused by the inheritance of two recessive alleles for the production of coloration pigments. If an albino deer is born to two parents who each have normal fur coloration, what conclusion may be drawn about the genotypes of the parent deer?

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