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.
Overall, the average GPA for those admitted was 4.23 and the average SAT I score was 1337. Actually in 2007, for transfer students at least, the average admitted GPA was a 3.55. As for recent times, such as 2008 and 2009, the consesus is similar to that of 2007.