Blood Type
Learning Intention: Define what is blood typing and how to use it in forensic investigations.
Success Criteria
7. I can explain how blood typing works and identify an unknown blood sample’s type.
Learning Tasks
It is recommended to use over two separate lessons. One to learn how to do blood typing, the other to look at the evidence and it is challenging to get both done in one lesson. Then use one of the other forensic or investigative skill activity to complete the lessson.
Lesson 1
Do Now: Write down what you think - Do you think humans all have the same type of blood? Why do you think that?
Watch the video explaining How to do Blood Typing.
Complete the first half of the blood typing worksheet to learn what to expect with the clumping and no clumping for each blood type.
Here are the summary notes for how blood typing works.
Lesson 2
Do Now: Based what is shown in this image, what blood type do you have for each sample? Note that Anti-D is the Rh.
Repeat the blood typing experiment, but this time with the suspects and the crime scene blood. (aka second half of the blood typing worksheet)
Summarize what this clue tells you in your Detective Book.
Homework
Email Ms Garlick the answer to the following question.
Which is the most common blood type?
