What antigens coat the red blood cells of a person with type ab blood

Which best describes the structure of dna?

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Complete the possible outcomes for each generation in the pedigree chartaa aa aa