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Card 11 / 23:
Use a Punnett square to predict the offspring in a cross between a tall pea plant (heterozygous) and a tall pea plant (heterozygous). What is the genotypic ratio of the offspring?
The Punnett square will be 2 × 2 and will have T and t along the top and T and t along the left side. Clockwise from the top left, the genotypes listed within the boxes will be TT , Tt , Tt , and tt . The genotypic ratio will be 1 TT :2 Tt :1 tt .
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