Dihybrid condition involves simultaneous inheritance of two pairs of mendelian factors or genes.

Correct Option: D

Dihybrid condition involves simultaneous inheritance of two pairs of mendelian factors or genes.

According to the law of Independent Assortment, alleles of different characters located in different pairs of homologous chromosomes are independent of one another in their separation or segregation during gamete formation.

Correct Option: C

According to the law of Independent Assortment, alleles of different characters located in different pairs of homologous chromosomes are independent of one another in their separation or segregation during gamete formation.

Gregor Johann Mendel formulated the laws of heredity and is regarded as the father of genetics.

Correct Option: B

Gregor Johann Mendel formulated the laws of heredity and is regarded as the father of genetics.

A gene may have more than two alternative forms occupying the same locus on a chromosome such alleles are known as multiple alleles and the phenomenon is turned as multiple allelism. ABO blood group has 3 alleles. I^O, I^A or A, I^B or B.

Correct Option: C

A gene may have more than two alternative forms occupying the same locus on a chromosome such alleles are known as multiple alleles and the phenomenon is turned as multiple allelism. ABO blood group has 3 alleles. I^O, I^A or A, I^B or B.

AaBB × aaBB on crossing gives 50% individuals having genotype AaBB and 50% individuals having genotype aaBB.

Correct Option: A

AaBB × aaBB on crossing gives 50% individuals having genotype AaBB and 50% individuals having genotype aaBB.