Human biology or genetics learners apply their knowledge to a unique situation: two newborn baby girls being possibly switched in the hospital. The engaging activity ends with a Punnett squares assignment in which pupils...

Students role-play a scenario in which a car crash patient is inadvertently given the wrong blood type during a transfusion. They perform blood typing and explore the genetics behind ABO and RH blood types using simulated blood.

Blood types and transfusions are explained in reading passages at the top of the worksheet. A chart of blood type compatibility is also provided. Biology students answer comprehension questions and then exercise critical-thinking skills...