A gene showing codominance has
alleles that are recessive to each other
both alleles independently expressed in the heterozygote
one allele dominant on the other
alleles tightly linked on the same chromosome.
Can a child have blood group $‘O'$ if his parents have blood group $'A'$ and $'B'$ ? Explain.
A man with blood group ‘$AB$' marries a woman with ‘$O$' blood group. In this situation
A child of $O$ - blood group has $B$ -blood grouped father. The genotype of father will be
Mother and father both have blood group $‘A’$. They have two children one with blood group $‘O’$ and second one with blood group $‘A’$. They have
A person with blood group $‘A'$ can be given blood of which group