2- When a man of blood group (AB) marries a woman of blood group (O), the ratio of children which have blood group (O) is
A-0%
B- 50%
C- 25%
D-75%
fantigong is​

when doing the cross

You will end up with the following:

AO AO BO BO,

So A:50% and B:50%

NONE OF THE OFFSPRINGS WILL HAVE O TYPE

Explanation:

So first, when someone has blood type O it’s genotype is OO

When someone has blood type AB, it’s genotype is AB

When someone has blood type A it’s genotype can either be BB (homo) or BO (hetero)

When someone has blood type A it’s genotype can either be AA (homo) or AO(hetero)

due to the fact that it skipped a generation we can tell it is definitely not a dominant trait, therefore it must be recessive. i think this is right let me know!

explanation:

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's