分支法
2/3*(1/4AA)*(1/2Bb)=1/12AABb
2/3*(1/4AA)*(1/2bb)=1/12AAbb
2/3*(1/2Aa)*(1/2Bb)=2/12AaBb
2/3*(1/2Aa)*(1/2bb)=2/12Aabb
2/3*(1/4aa)*(1/2Bb)=1/12aaBb
2/3*(1/4aa)*(1/2bb)=1/12aa
分支法
2/3*(1/4AA)*(1/2Bb)=1/12AABb
2/3*(1/4AA)*(1/2bb)=1/12AAbb
2/3*(1/2Aa)*(1/2Bb)=2/12AaBb
2/3*(1/2Aa)*(1/2bb)=2/12Aabb
2/3*(1/4aa)*(1/2Bb)=1/12aaBb
2/3*(1/4aa)*(1/2bb)=1/12aa