The effects of extra PCR cycles when amplifying skeletal samples with the GlobalFiler® PCR Amplification Kit.

Abstract excerpt

When samples with low amounts of DNA are amplified using short tandem repeats (STRs), stochastic effects such as allele and locus dropout or drop-in, allele imbalance, and increased stutter often occur making data interpretation more difficult. The most common approach to improving STR results from low template samples is to increase the number of PCR cycles. Although more alleles may be recovered, stochastic...

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