Crude extraction of DNA from human cheek cells
This protocol describes the crude extraction of DNA from human cheek cells. The DNA may be placed in a pendant to be worn round the neck.
Educational objectives This activity is intended as a motivational exercise of limited educational value, although it could be adapted (e.g., by adding extra stages such as heat or enzyme treatment) to enhance its educational worth.
Pre-knowledge and skills required by students Basic structure of cells. Knowledge of DNA.
Time taken in lesson 30 minutes
Preparation time 10 minutes
Specialist equipment and materials required Components for making the pendants (alternatively, any suitable small tubes can be used).
Context where originally used Used with the general public in the UK. Suitable for use with students from age 10.
Additional information The NCBE supplies schools with kits of materials to make 30 DNA necklaces.
AuthorS John Schollar and Dean Madden
Authors' address NCBE, Science and Technology Centre University of Reading Earley Gate Reading RG6 6BZ
Copyright Copyright © John Schollar 2007
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