So heterozygous means one dominant trait and one recessive trait (Ll). Homozygous is either 2 recessive traits or 2 dominat. (in this case ll). 1.)Genotype: Ll and ll Phenotype: 50% chance of Long pea plant, 50% chance of short. 2.) Genotype: Ww (widows peak) and ww (no widows peak) Phenotypes: 75% chance of widows peak and 25% of no widows peak. 3.) Genotype: BB and Bb Phenotype: 100% chance of black