A new study provides the first evidence of non-random mutations in DNA

An artist’s interpretation of the double-stranded helix of DNA. (Image credit: Shutterstock)

Genetic changes that appear in an organism DNA It may not be completely random, new research suggests. This will overturn one of the main assumptions of The theory of evolution.

Researchers who study genetic mutations In a common roadside grass, cress (Arabidopsis thaliana), that a plant can protect the “essential” genes in its DNA from changes, while leaving other sections of its genome to make further alterations.

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