Answer:
1.
Red = rr
Blue = bb
Purple = rb
2.
a) Genotype - rb
Phenotype - purple
b) 0%
c) 100%
d) 0%
3.
a) Genotypes - rr, rb, bb
Phenotypes - red, purple, blue
b) 25%
c) 50%
d) 25%
4.
a) Genotypes - rb, bb
Phenotypes: purple, blue
b)
50 purple
50 blue
0 red