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Paralogue vs Orthologue - What's the difference?

paralogue | orthologue |

In genetics terms the difference between paralogue and orthologue

is that paralogue is either of a pair of genes that derives from the same ancestral gene while orthologue is one of two or more homologous gene sequences found in different species.

paralogue

English

Noun

(en noun)
  • (genetics) either of a pair of genes that derives from the same ancestral gene.
  • (genomics) a pair of genes that derives from the same ancestral gene and now reside at different locations within the same genome.

    • Alternative forms

    * paralog

    orthologue

    English

    Noun

    (en noun)
  • (genetics) one of two or more homologous gene sequences found in different species

    • Alternative forms

    ortholog