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.
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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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