If a plant with genotype Aa Bb is crossed with aabb then Independent Assortment would result in production of 4 type of offsprings in equal proportion.
Aa Bb - Gametes
AB
Ab
ab
aa bb - Gametes
ab
ab
ab
offspring according to independent assortment
Aa Bb
Aabb
aaBb
aabb
1 :
1 :
1 :
1 :
(parental)
(Recombinants)
(Parental)
Since parental percentage is more then recombinants it is due to linkage between genes A and B.