Maybe it tasted better then; as the sun cooled and the seas dried up, there could have been enough cosmic-ray leakage to create mutations of all kinds.

Sometimes the body fails to repair these mutations or even creates mutations during repair.

One is to create numerous mutations in a single gene.

It may create new mutations.

Error-prone DNA polymerases are then recruited to fill in the gap and create mutations.

Dr. Streisinger also devised a system for creating genetic mutations in fish, a critical tool for understanding genes and the proteins they produce.

It's not just because of people writing viruses, but because they're emerging and even combining with each other to create new mutations and variations.

Similar research of using ZFNs to create specific mutations in zebrafish embryo has also been carried out by other research groups.

Transposition can create significant mutations and alter the cell's genome size.

Takahashi used forward mutagenesis screening of mice treated with N-ethyl-N-nitrosourea to create and identify mutations in key genes that broadly affect circadian activity.