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Phred Quality is also found in a FASTQ file, described here: http://en.wikipedia.org/wiki/FASTQ_format#Quality
 
Phred Quality is also found in a FASTQ file, described here: http://en.wikipedia.org/wiki/FASTQ_format#Quality
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==== What are TAGs? ====
 
==== What are TAGs? ====
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TAGs are optional fields on a SAM/BAM Alignment.
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A TAG is comprised of a two character TAG key, they type of the value, and the value:
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[A-Za-z][A-za-z]:[AifZH]:
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There are a set of predefined tags that are general used in Alignments.
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A user can also use any additional tags to store any information they want.
     

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