a human male produces sperm with the genotypes AB, Ab,aB and ab pertaining to two diallelic characters in equal proportions. what is the corresponding genotype of this person

1. AaBB
2. AABb
3. AABB
4. AaBb

Hello student
​Correct answer is 4. AaBb
As sperms produced are with genotypes AB,Ab,aB,ab (two diallelic character) the person must be heterozygous for both genes. So his genotype will be AaBb.