This foldable and Powerpoint presentation will prepare students to solve codominance inheritance problems using ABO blood types. By completing this classical genetics activity, biology students will be able to identify antigens, antibodies, and reactions between blood types. Students will also be introduced to Punnett squares using alleles to solve for the genotypes and phenotypes of two crosses. Important Informationdesigned to fit in an interactive notebookAnswer key includedRecommended for