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.
Story Highlights. The average GPA at four-year colleges and universities has risen from 2.52 in the 1950s to 3.11 in 2006. Former Duke University professor found that at some colleges over 50% of the grades given are A's.