Whether they're damaged by injury or disease, or simply conducting the daily maintenance required for life, organisms have to make new cells. That generally requires replicating the organism's genome ...
What happens to the thousands of intestinal cells that have tumour-initiating DNA mutations? A study in mouse models shows that most are eliminated by strong negative selection, but those that survive ...
Viruses and mutations go together like peanut butter and jelly. These minute changes in a virus’s genetic material happen all the time as they replicate and spread around the world, much like what the ...
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