Q.
In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype
Scientists perform test cross to find out the different types of gametes or the genotype of an unknown individual. Test cross is performed always between the F1 heterozygous plants and pure recessive (homozygous) parent plant. So, in the given case AaBb should be crossed with aabb.