Q22 of 47 Page 73

In peas, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall plants to short plants in F2 is

When pure bred tall plant with phenotype (TT) crossed with short plant with phenotype (tt), the possible progeny in F2 generation: TT (1), tt(1) and Tt (2). Thus the ratio of pure tall (TT) to pure short (tt) is 1:1.

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