What phenotypic and genotypic ratios are expected in F2 generation when monohybrid and dihybrid crosses are made?

What phenotypic and genotypic ratios are expected in F2 generation when monohybrid and dihybrid crosses are made?
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Ans: Monohybrid cross : Phenotypic ratio is 3:1 and Genotypic ratio 1:2:1.

Dihybrid cross : Phenotypic ratio 9:3:3:1. Genotypic ratio is 1:2:2:4:1:2:1:2:1 
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F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of (a) co-dominance (b) dihybrid cross (c) monohybrid cross with complete dominance (d) monohybrid cross with incomplete dominance.

Description : F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of (a) co-dominance (b) dihybrid cross (c) monohybrid cross with complete dominance (d) monohybrid cross with incomplete dominance.

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