F₄籽粒表现型

Phenotypes of F₄ grains

純白

Pure white

3红:1白

3Red:1 white

15红:1白

15 Red:1White

63红:1白

63Red:1White

全红

Constant Red

F₂基因型

F₂ genotypes

rrrrrr

rrrrrR

rrrRrR

rRrRrR

3rrrrRR

12rrrRRR

15rrRRRR

6rRRRRR

1RRRRRR

理论数

Theoretical numbers

1

6

12

8

37 (∑ = 64)