Researchers knew that mutations in the gene gave carriers an 85 percent lifetime risk of contracting breast cancer, often before the age of 50.
Aggravating mutations on the other hand give rise to a phenotype which is worse than the cumulative effect of each single mutation.
What infuriated Tews about the letter was that the mutation was not even giving him time to settle down after his return.
But mutation in a variety of genes can give rise to polydactyly.
In a species, though reproduction may be mostly accurate, periodic mutations will give rise to one or more competing genotypes.
Random genetic mutations, sifted by natural selection, give rise to biological order.
My own research has shown that a single genetic mutation can give rise to complete resistance in a similar herbicide.
What hideous mutation has given you the curse of free thought, and taken away your peace of mind forever?
He has also stated that his mutation gives him a high metabolism and makes him very hormonal.
The word generally has a bad connotation, but mutation can give an organism an advantage depending on the environment.