In monohybrid cross pure homozygous plants in f2 will be
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The classic ratio for a monohybrid cross with straight dominance is 3:1 Dominant to recessive in the F2. The classic ratio for a dihybrid cross with straight dominance is 9:3:3:1 in the F2. 1. A true breeding plant with yellow seeds (YY) is crossed to a plant with green seeds (genotype yy).
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In monohybrid cross the genotypic ratio of F2 generation is 1:2:1 (TT:Tt:tt) that is there are two pure line plants(TT and tt)
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