Observe the pedigree for an autosomal dominant trait below….

Observe the pedigree for an autosomal dominant trait below. Remember, filled in shapes are individuals who have the trait. What would you expect the genotype for person A to be? What about the genotype for person B? Label your answers clearly. In your answers you can use the words for the genotypes (homozygous recessive/dominant, heterozygote) or letters (TT, Tt, tt).