1. Phenotype frequency:
30% blue eyes (or 0.3)
70% brown eyes (or 0.7)
Population:
10 individuals

2. = bb
= Bb
= BB
Genotype frequency:
f(bb) = 30% (or 0.3)
f(Bb) = 50% (or 0.5)
F(BB) = 20% (or 0.2)
Population
10 individuals
Phenotype frequency:
30% blue eyes (or 0.3)
70% brown eyes (or 0.7)

3. = bb b B b
= Bb
= BB B
Genotype frequency:
f(bb) = 30% (or 0.3)
f(Bb) = 50% (or 0.5)
f(BB) = 20% (or 0.2)
Number of alleles:
b = 11
B = 9
Population
10 individuals

4. Population
10 individuals b B b b b b b b
Genotype frequency:
f(bb) = 30% (or 0.3)
f(Bb) = 50% (or 0.5)
f(BB) = 20% (or 0.2) B b B b B b B b B b
Number of alleles:
b = 11
B = 9 B B B B
Allele frequency:
f(b) = 11/20 = 0.55
f(B) = 9/20 = 0.45

5. b B =
Gene pool of a population

6. = bb b B b
= Bb
= BB B
Possible gametes of each individual

7. b B =
Possible gametes in the population

8. Population
10 individuals b B b b b b b b
Genotype frequency:
f(bb) = 30% (or 0.3)
f(Bb) = 50% (or 0.5)
f(BB) = 20% (or 0.2) B b B b B b B b B b
Number of alleles:
b = 11
B = 9 B B B B
Allele frequency:
f(b) = 11/20 = 0.55
f(B) = 9/20 = 0.45