Lab: Activity Blood Type Pedigree Mystery Free

The estate granted Julian a share—not because of the blood type pedigree alone, but because the mystery of the pedigree led them to ask the right questions. And in forensics, asking the right question is half the solution. Would you like a printable student worksheet to accompany this story, including data tables and analysis questions?

Leo frowned. “But what if the old record is wrong? Blood typing isn’t perfect. Or what if Ana’s type changed? No—that doesn’t happen. Or what if—” He stopped. “Wait. What if Julian knows that? What if he’s counting on us not checking Ana’s historical type?” lab activity blood type pedigree mystery

Her partner Leo leaned in. On the chart: Grandparents Ana and Carlos (both type A), their three children—Elena (type O), Marco (type AB), and Luis (type A)—and Luis’s two kids, Sofia (type A) and Diego (type B). The estate granted Julian a share—not because of

“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.” Leo frowned