In pea plants, purple flower color, C, is dominant to white flower color, c. The table shows the frequencies of the dominant and recessive alleles in three generations of peas in a garden.

Allele Frequency for Flower Color in Peas
Generation
p
q
1
0.60
0.40
2
0.64
0.36
3
0.75
0.25
4
0.80
0.20

Which generation showed the greatest frequency of having one of each allele?
generation 1
generation 2
generation 3
generation 4