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iwaldron's picture

Cheap fake blood

Submitted by iwaldron on Tue, 08/07/2012 - 5:02am.

If you have insufficient budget for the recommended kits, you can make the fake blood samples and anti-sera by adapting the instructions to use food coloring, milk, vinegar and water provided on pages 1-3 of "Teachers’ Talking Science – Blood Typing", available at http://www.talkingscience.org/wp-content/uploads/2011/03/tts-bloodtyping.pdf . However, you should be aware that this cheaper alternative is significantly more complicated for you and your students to use; specifically, you will have to designate different antisera for each sample in order to get the desired results.

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