Figure 4From: Analysis of quality raw data of second generation sequencers with Quality Assessment SoftwareFasta sequences with phred quality values. Example of two Fasta format sequences containing Phred quality values of 25 bp-long reads. A - Fasta sequence with a median and mean Phred qualities of 23 and 19, respectively. B - Fasta sequence with a median and mean Phred qualities of 19 and 22, respectively.Back to article page