If a boy has blood type O and his mother has blood type A, what is his father's genotype?

Similar Questions

A group of organisms of different species living in a particular area is described as a ...

The organelle responsible for heredity is labelled ...

At what stage in this cycle can a man be infected? ...

Which of the following is correct about the transverse section of a vein, when compared with that of...

Plants that can survive in extremely dry places are called ...

When the solute concentration of the cell and its surrounding medium are the same, the solution is s...

Which structure of the mammalian ear will affect the maintenance of balance when removed? ...

Amoeba moves by means of ...

Which of the following does NOT occur during photosynthesis? ...

Siphons and gills are structures in aquatic organisms used for ...