# Predicting jumping genes' roles in changing genome size

- Source: Phys.org - latest science and technology news stories
- Published: 2026-11-02T19:20:14+00:00
- Category: Science
- Original: https://phys.org/news/2026-11-genes-roles-genome-size.html
- Canonical: https://groundlevelnews.com/story/predicting-jumping-genes-roles-in-changing-genome-size-dc3196/

A genome contains all of the DNA of every living organism, but its contents don't stop there—most of these structures also contain snippets of DNA that can copy and paste themselves to "infect" a genome, expanding its size. Precisely why that happens remains a mystery.

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