Parents are colourblind. What is the phenotype of grandsons in f2-generation?

Give the phenotype of the F_2 generation.

in dog flower, a red flowered plant is crossed with a white flowered plant. what will be the phenotypic ratio in F_2 generation?

A plant of "F"_(1) generation with genotype AABbCC. On selfing of this plant what is the phenotypic ratio in "F"_(2) generation?

A plant of "F"_(1) generation with genotype AABbCC. On selfing of this plant what is the phenotypic ratio in "F"_(2) generation?

A plant of "F"_(1) generation with genotype AABbBB. On selfing of this plant what is the phenotypic ratio in "F"_(2) generation?

In case of incomplete dominance what is the phenotypic and genotypic ratio of F_2 generation and how it is resulted?

In Mendel's monohybrid cross, the phenotypic ratio in F_2 generation is

In case of incomplete dominance, what will be the phenotypic ratio of F_2 generation?

A colourblind man marries a woman with normal sight who has no history of colorur blindness in her family. What is the probability of their grandsons being colourblind ?