*组合定律计算,比如说2/3AaBb与Aabb杂交,基因型及其比例?
问题描述:
*组合定律计算,比如说2/3AaBb与Aabb杂交,基因型及其比例?
答
分支法2/3*(1/4AA)*(1/2Bb)=1/12AABb2/3*(1/4AA)*(1/2bb)=1/12AAbb2/3*(1/2Aa)*(1/2Bb)=2/12AaBb2/3*(1/2Aa)*(1/2bb)=2/12Aabb2/3*(1/4aa)*(1/2Bb)=1/12aaBb2/3*(1/4aa)*(1/2bb)=1/12aabb