Guardians of the genome


Guerra S. Guardians of the genome. CASW New Horizons in Science [Internet]. 2015. Copy at


Evolution—the change in heritable traits over successive generations—has long served as one of the central tenets of biology. But new research indicates much can be gained from studying regions of the genome that donot change. Termed “ultraconserved elements” or UCEs, these portions of the genome have remained unchanged for 300 to 500 million years, appearing in the same state across multiple animal species—from humans to dinosaurs to platypuses. 

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Last updated on 02/13/2016