Micropolic man of blood `:-`

Macropolic man of blood :-

In man, the number of RBC per cubic mm of blood is-

A man of blood group A marries a woman of blood group AB. Which type of progeny indicates that man is heterozygous ?

A man of A blood group marries a woman of AB blood group. Which type of progeny would indicate that man is heteroxygous A?

A man of blood group 'A' marries a woman of blood group 'B' ,both of them are heterozygygous for blood group ,chances of their first child having blood group 'AB' will be :

....... discovered the circulation of blood in man.