When a rare blood type surfaces in a family pedigree, four lab partners must use serology and deductive reasoning to determine whether a long-lost relative’s inheritance claim is truth—or a clever lie. Story Draft
Dr. Reeves appeared beside them, holding a manila folder. “The mystery is him .” She tapped a new figure connected to the family by a dotted line: a man named Julian Reyes, claiming to be Ana’s biological son from a brief relationship before her marriage. “Julian says he was given up for adoption at birth. Now he’s petitioning the family estate. Genetic testing is pending, but he’s offered to prove his claim with a simple blood test today.” lab activity blood type pedigree mystery
“That’s your lab task,” Dr. Reeves smiled. “Using only the pedigree and a fresh blood sample from Julian, determine if he could be Ana’s son—and whether the estate should accept or reject his claim.” When a rare blood type surfaces in a