If a certain patient with blood group $B$ requires immediate blood transfusion, the following type can be given to him
$O$ and $B$
$O$ and $AB$
$A$ and $AB$
$B$ and $AB$
A person with unknown blood group under $ABO$ system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
What percentage of homozygous $R h^{-i i}$ will be born amongst four children of a couple where the husband is heterozygous for $R h^{+i i}$ and wife is homozygous for $R h^{-i i}$ gene?
Mother $B$ homozygous, father $A$ unknown, therefore, possible blood group in progeny is
When dominant and recessive alleles express themselves together, it is called
A man of blood group-$A$, marries a woman of blood group-$B$, both of them are heterozygous for blood group, chances of their first child having blood group $AB$ will be