exists and is an alternate of . Not necessarily chromosomal mutations. Asbestos types are considered mutagens in lung cells, but any chromosomal mutation would have to be carefully engineered.
The average GPA at Princeton is 3.9. This makes Princeton Extremely Competitive for GPAs. (Most schools use a weighted GPA out of 4.0, though some report an unweighted GPA. With a GPA of 3.9, Princeton requires you to be at the top of your class.
The paper-based test should be taken by October; the computer-based may be taken in December. We do not publish minimum or average GRE scores. Admission to Princeton is highly competitive, and we expect to see scores of 161 and above on the quantitative section and 4.5/6 on the analytic writing section. GRE scores are valid for five years, and must be valid through December 31 of the fall in which you are applying.