Have you ever wondered what makes animals different from one another? Scientists have recently uncovered an answer to this age-old question, and it lies in a protein domain that is found in almost all animals. This protein domain, known as the DUF1220 domain, is incredibly common in animals and plays a major role in their development and evolution. The findings are remarkable, and suggest that the DUF1220 domain has been a major contributor to the incredible diversity of animal life on Earth.

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source: Phys.org