Pairwise alignment o a pairwise alignment consists of a series of paired bases, one base from each sequence. There are three types of pairs C matches the same nucleotide appears in both sequences mismatches different nucleotides are found in the two sequences t gaps -a base in one sequence and a null base in the other 序列一 GCGGCCCATCAGGTAGTTGG 序列二IG maicer CCass CTGGTTGGTGTGGenomics and Bioinformatics 2015, TMMU Pairwise alignment  A pairwise alignment consists of a series of paired bases, one base from each sequence. There are three types of pairs  matches = the same nucleotide appears in both sequences.  mismatches = different nucleotides are found in the two sequences.  gaps = a base in one sequence and a null base in the other. GCGGCCCATCAGGTAGTTGG TG-G GCGTTCCATC-- CTGGTTGGTGTG match mismatch gaps 序列一 序列二