What are phenotype and genotype ratio of F1 GENERATION in DIHYBRID CROSS??

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Solution

Dear Student,

All individuals of F1 generation of a dihybrid cross had yellow and round seed (both dominant characters are expressed). Thus, as such there is no question of a ratio! It is 100% individuals with dominant traits of both selected characters.
Similarly, the genotype of all hybrids of the F1 generation is YyRr.

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Differentiate between :

(a) genotype and phenotype.
(b) character and trait.
(c) monohybrid and dihybrid cross (phenotypic ratio).

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