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Help!! Double band in genomic dna


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#1 mushroom911

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Posted 28 October 2013 - 10:18 PM

Hi

I used qiagen dna extraction kit to extract dna. And i found 2 band in my genomic dna when i run gel electrophoresis to check dna quality.
There is a faint low molecular weight band under genomic dna band. Anyone ever faced this kind of problem? Besides, will it affect my downstream application (pcr etc)?

Edited by mushroom911, 28 October 2013 - 10:19 PM.


#2 bob1

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Posted 29 October 2013 - 12:16 AM

Could you post a picture? How big is the band? What organism did you extract the DNA from?




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