I am getting more than the two maximum PCR bands expected by allele with the correct size from the polymorphisms studied. What is wrong?

Hello, I am studying MAO-A polymorphisms that consist on a series of repetions of promoter region. Therefore, I expect to obtain up to 5 different PCR bands (291,321,336,351,381bp) depending on...

12 December 2015 6,217 4 View