# What is Homology in Bioinformatics? PDF Book

Learn *Homology* definition in bioinformatics with explanation to study “What is Homology”. Study homology explanation with bioinformatics terms to review bioinformatics course for online degree programs.

## Homology Definition

When two sequences are descended from a common evolutionary origin.

Essential Bioinformatics by Jin Xiong

## Homology Explanation

If two sequences either DNA, RNA or protein are similar to each other, then it is assumed that they have a common ancestor in their past and the sequences shared the similar segment because of two events I.e. speciation and duplication event.

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