TABLE 17.1 Hypothetical example of plant height determined by pairs of alleles at each of three loci

Plant genotype	Doses of hormone	Height (cm)
A⁻A⁻ B⁻B⁻ C⁻C⁻	0	10
A⁺A⁻ B⁻B⁻ C⁻C⁻ A⁻A⁻ B⁺B⁻ C⁻C⁻ A⁻A⁻ B⁻B⁻ C⁻C⁺	1	11
A⁺A⁺ B⁻B⁻ C⁻C⁻ A⁻A⁻ B⁺B⁺ C⁻C⁻ A⁻A⁻ B⁻B⁻ C⁺C⁺ A⁺A⁻ B⁺B⁻ C⁻C⁻ A⁺A⁻ B⁻B⁻ C⁺C⁻ A⁻A⁻ B⁺B⁻ C⁺C⁻	2	12
A⁺A⁺ B⁺B⁻ C⁻C⁻ A⁺A⁺ B⁻B⁻ C⁺C⁻ A⁺A⁻ B⁺B⁺ C⁻C⁻ A⁻A⁻ B⁺B⁺ C⁺C⁻ A⁺A⁻ B⁻B⁻ C⁺C⁺ A⁻A⁻ B⁺B⁻ C⁺C⁺ A⁺A⁻ B⁺B⁻ C⁺C⁻	3	13
A⁺A⁺ B⁺B⁺ C⁻C⁻ A⁺A⁺ B⁺B⁻ C⁺C⁻ A⁺A⁻ B⁺B⁺ C⁺C⁻ A⁺A⁺ B⁻B⁻ C⁺C⁺ A⁺A⁻ B⁺B⁻ C⁺C⁺ A⁻A⁻ B⁺B⁺ C⁺C⁺	4	14
A⁺A⁺ B⁺B⁺ C⁺C⁻ A⁺A⁻ B⁺B⁺ C⁺C⁺ A⁺A⁺ B⁺B⁻ C⁺C⁺	5	15
A⁺A⁺ B⁺B⁺ C⁺C⁺	6	16
Note: Each + allele contributes 1 cm in height above a baseline of 10 cm.