TABLE 3.2
Phenotypic ratios for simple genetic crosses (crosses for a single locus)
Phenotypic ratio
Genotypes of parents
Genotypes of progeny
3:1
Aa
×
Aa
¾
A
_:¼
aa
1:1
Aa
×
aa
½
Aa:
½
aa
Uniform progeny
AA
×
AA
All
AA
aa
×
aa
All
aa
AA
×
aa
All
Aa
AA
×
Aa
All
A_