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...

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...

This site explains situations which call for blood transfusions and describes possible safety risks of this procedure. It describes how this procedure occurs and provides a discussion of possible blood substitutes.