Dr. Reeves handed them a sealed evidence bag. Inside: a worn hospital wristband labeled

When students find an inconsistency—such as a child having an allele that neither parent possesses—the "mystery" is solved. The claimant is a fraud, or the hospital switched the babies! Why This Activity Works

If the specific parameters of the mystery state that Mr. Rich is homozygous for Type A (perhaps established via his own parents' records), the claim is false. If no such data exists, the results conclude that Claimant X is a possible biological heir , as the genotypes are compatible. For the purpose of this specific paper, assuming the data shows compatibility, the claim is scientifically valid, though not definitively proven (as paternity requires a 99% probability via DNA testing, not just blood type possibility).

For a child to possess two recessive alleles, they must inherit one recessive allele from each parent.

The is a popular forensic science lab activity where students use genetics and lineage to solve a fictional crime. The most common version, often titled "Mystery in Wexford," follows the story of a wealthy elderly man named Joseph who dies under mysterious circumstances, only for his family to discover a sum of money has been stolen from his safe. 🕵️ The Mystery Scenario