Girl Discovers Man Is Her Father, Realizes What Mom Has Done
Punnett Square
Her lecturer took a deep breath and returned to the whiteboard where she drew another Punnett square in front of the entire class. She used this to further explain why the argument was impossible. Her blood type could not be AB if her parents’ were A and O.
Everyone started at her as a concerned expression took over her face. She turned to look at her best friend.