Sentences with phrase «through chance mutations»

Vaccines prevent infection by priming the immune system to create antibodies that effectively block the lock, prompting the virus to reengineer the hemagglutinin key through chance mutation.

Not exact matches

From such studies came the current canonical model of how venom genes evolve through the chance replication and mutation of genes for enzymes, peptides and other proteins.

The chances of that are so miniscule that it suggests alternative explanations, says medical geneticist Garry Cutting of Johns Hopkins University in Baltimore, Maryland, who has found mutations that reduce the severity of cystic fibrosis through a different approach.

The larger the population size of a species and the shorter its generation time is, the higher the chances are that it can adapt to new environmental conditions through selection or mutation.

These high - energy particles that stream from the sun and extragalactic sources tear through one's nucleotides, disrupt DNA, and up the chances of genetic mutations.