# The 'shape' of gene expression: Identifying genes that may share roles across species

- Source: Phys.org - latest science and technology news stories
- Published: 2026-10-29T21:40:16+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-gene-genes-roles-species.html
- Canonical: https://groundlevelnews.com/story/the-shape-of-gene-expression-identifying-genes-that-may-share-roles-ac-7e238c/

Much of what we know about biology comes from animal models, particularly mice. Applying these insights to humans, however, is not always straightforward. For example, some of the genes important for the formation of germ cells, which eventually give rise to eggs or sperm, differ between mice and humans.

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