Sentences with phrase «mutations accumulate over time»

«These kinds of mutations accumulate over time — whenever our skin is exposed to sunlight, we are at risk of adding to them,» explains Dr Phil Jones, a corresponding author from the Sanger Institute and the MRC Cancer Unit at the University of Cambridge.
«Since random mutations accumulate over time, males who originate from a common patrilineal ancestor will share a particular collection of Y chromosome mutations,» Wallner explains, forming what's known as a haplogroup.
Reed says that because gene mutations accumulate over time in both lice species, he expected substantial differences between them.

Not exact matches

Each genetic mutation produces only a very small change in the biological features of the organism, but such small changes accumulate over immense periods of time and lead to the evolution of new species from old.
Moreover, it is possible that genetic mutations that the virus accumulates over time could potentially make it more lethal or easily transmissible among humans.
The molecular clock approach is based on the principle that mutations accumulate in the genomes of all organisms over the course of time.
When populations are separated (allopatry) over long periods of time, they accumulate adaptations to their environments and random mutations.
Aging is a key risk factor for sAML because, over time, hematopoietic stem cells (which give rise to all other blood cell types) accumulate DNA mutations and changes in other molecules that put DNA instructions into action, such as RNA and proteins.
The discovery that mutations accumulate at steady rates over time in the genes of all lineages of plants and animals has led to new insights into evolution at the molecular and the organismal levels
Furthermore, organisms exposed to a repeated, specific nutritional stress may accumulate distinct mutations over long periods, potentially solving some previously unexplained patterns of genome architecture over time.
We can now precisely count how many cancer - related DNA mutations accumulate in smokers» organs over time
So mutations in the hematopoietic stem cells of healthy volunteers seemed to accumulate over time.
When this happens, damages to DNA accumulate over time, causing cell damage, mutation and eventually, death.
The fact that animals can reach centuries lifespans, not develop cancer and most likely accumulate some small nDNA deleterious mutation load over time could mean that nDNA mutation are not as deleterious as say mtDNA deletions mutation.
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