MadSci Network: Molecular Biology |
Hi! Sounds like you have a fun science fair project! It should be equally easy to extract DNA from banana, onion and tomato, so pick which ever one you like best
Here's an on-line guide to extracting onion DNA:
DNA Extraction from Onion using Murphy's Oil Soap
And here's one to extract tomato DNA:
Scientific Amerian - the amateur scientist, September 1998
P>
How to make a kitchen centrifuge As for weighing the extractions -- I'm assuming that you mean you'd like
to weigh the DNA that you get when you are done. You should probably get a
couple of grams worth of DNA so any kind of scientific scale should do the
trick -- I'm sure your school's science lab has something suitable.(N.B.
there's more than just DNA in the "threads" that you hook out of the final
solution, but that's another e-mail) What are you going to do with the DNA after you extract it? My curiosity
is piqued! Please e-mail me! I'm
sure I can give you some more details and hints if you'd like them! Best of luck!
Sincerely Andreas Matern Cornell University Dept of Plant Breeding and Biometry http://
www.people.cornell.edu/pages/alm13/
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