IGNOU MZO 006 2026 - Explain the various approaches used in pairwise sequence alignment.

Question

Explain the various approaches used in pairwise sequence alignment.

29 Jan 2026

Answer :

Word Count : 280

Pairwise sequence alignment is a fundamental technique in bioinformatics used to identify regions of similarity between two biological sequences, such as DNA, RNA, or proteins. It helps in understanding evolutionary relationships, functional conservation, and structural similarities. There are primarily two approaches for pairwise sequence alignment: global alignment and local alignment, with variations in computational strategies. Global alignment, implemented by the Needleman-Wunsch algorithm, attempts to

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