RE: [DIYbio] SNP Genotyping at home - lab protocol?

My worry is seq error on dirty samples. Either the signal drops too soon, like barely 300bp in, or a robot error. Scanning for a single bp change may need more than a single pass.

Sebastian S. Cocioba
CEO & Founder
New York Botanics, LLC
Plant Biotech R&D

From: Kermit Henson
Sent: ‎10/‎22/‎2014 2:38 AM
To: diybio@googlegroups.com
Subject: [DIYbio] SNP Genotyping at home - lab protocol?

You need to sequence the gene. Sanger is a cheap way to do that, but you will have to look for some company. After that, you compare your sequence withsome database. But to be sure about theresults, you have to use controls during your dna extraction and pcr amplification, and check them also by sanger.
Before Sanger, remember that you have to clean your sample.

If the mutation that you are looking for is enough big (lets say normal gene size is 1kb and mutated gene size is 0,7kb) you could check it by agarose electrophoresis, after PCR. But is not the usual case in human genetics

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