Pl explain this que.

Pl explain this que. G. A dihybrid AaBb produces 5% ab gamete, find genotype of parent A aßb * Ragb (1) AABBx aabb (2) AaBbx AaBb (3) AAbbx aaBB ey@eY (4) AaBb x aabb Identify given nimals A and B respectively-

Dear Student, 

In general ab can never be in 5% if independent assortment follows. But in case of linkage when genes are 5cM apart, the chances of ab as recombinant can be 5%.
That will happen in case of (1) as well as (3).

Hope its helpful.

Regards