“But here’s the twist,” Dr. Reeves said. “Carlos is not the father.”
Silence. Then Priya, the group’s quietest member, spoke up. “That changes everything. Two type A parents can have a type O child. But an A and an AB cannot produce a type O child. Ever.” lab activity blood type pedigree mystery
“Standard family,” Leo shrugged. “What’s the mystery?” “But here’s the twist,” Dr
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). Then Priya, the group’s quietest member, spoke up
She pointed to Elena, Marco, and Luis on the chart. “Their known father was Carlos. But Julian was born before Ana married Carlos. His biological father was someone else—blood type unknown.”
Here’s a short draft for a lab activity story titled Title: The Heirloom Type