2. Simple Dominance: Color of Eye
(R= Red, r= black)
RR Rr
RR RrR
R
R r
Genotypic Ratio: 2(homozygous dominant) : 2 (heterozygous)
Genotype frequency: 50% RR, 50% Rr
Phenotype ratio: 4(red)
Phenotype Frequency: 100% (red)
3. 2 Simple Dominance: Size of the Organism
(B= Big, b= small)
Bb bb
Bb bb
b
b
B b
Genotype ratio: 2(homozygous recessive) : 2( heterozygous)
Genotype Frequencies: 50% Bb , 50% bb
Phenotype Ratio: 2 Big : 2 small
Phenotype Frequencies: 50% big , 50% small