TABLE 3.3
Genotypic ratios for simple genetic crosses (crosses for a single locus)
Phenotypic ratio
Genotypes of parents
Genotypes of progeny
1:2:1
Aa
×
Aa
¼
AA
: ½
Aa
: ¼
aa
1:1
Aa
×
aa
½
Aa
: ½
aa
Uniform progeny
AA
×
AA
All
AA
aa
×
aa
All
aa
AA × aa
All Aa