Authors of a new report describe and define 'ultraconserved' as 50 base pairs long DNA elements found in all 12 Drosophila species they studied -- a comparison that is greater than the evolutionary ...

Our study began with the observations 1 that human-mouse-rat (HMR) UCEs are essentially single copy in the haploid genome and that the only two chromosomes from which they are absent in humans are the ...

Researchers including some of the biggest names in ichthyology from universities and museums across the US and Mexico used highly conserved regions of animal genomes, called ultraconserved elements ...