From Genome Analysis Wiki
: a.The reference and alternate sequences are of the same length and have to be greater than 1 and all nucleotides in the sequences differ from one another.
: b. all reference and alternate sequences have the same length.
: a. The reference and alternate
sequence are not the same length.
: a. A clumping of nearby SNPs, MNPs or Indels.
: The alternate sequence is represented by
a angled bracket tag.
= Classification Procedure =