Question

Ultraviolet light can cause mutations and other damage within cells, which can hurt an individual's chance of surviving and leaving offspring. some molecules can protect cells from damage by uv. the amount of these molecules is determined by genes. within a population, some individuals make more of these uv-protection molecules than others. what do you predict would happen to the frequency of the genes that cause more of the molecules to be made in a population over time? assume all other factors are equal.

Answer 1

I believe the frequency would increase because individuals with the genes for more molecules would leave more offspring. 
Ultraviolet light is a form of radiation that acts as a mutagen, an agent that causes mutations in DNA. Exposure to ultraviolet light causes chemical changes that alter the shape of the DNA, and the process that corrects DNA's shape can also cause changes to the DNA code.