In snapdragons, purple is dominant to white.?

Question

a.) if a homozygous purple is crossed w/ a homozygous white, what will be the phenotype and genotype of the F1 generation.

B.) what be the penotype and genotype of the F2 generation

please explain how i figure out F1& F2 generation

Answer 1

Use Mendel's square.

The F1 generation will be all heterozygous purples.
The F2 generation will be 25% purple homozygous, 50% purple heterozygous and 25% homozygous white.