Given: TtPp × TtPp
• T = tall • P = purple
• t = short • p = white
A tall, purple flowered pea plant (TtPp) is allowed to self pollinate. (The recessive alleles code for short plants and white flowers). The phenotypic ratio of the resulting offspring is 9:3:3:1. What is the genotype of the plant whose phenotype appeared once out of every 16 offspring (the "1" in the 9:3:3:1 ratio?
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