High levels of inherited variation are observed for most traits and in most populations. Variation is maintained partly by mutation and partly by a balance of selective forces; however, we do not know ...

An analysis of a slug-eating response by naive, newborn garter snakes provides a particularly clear example of geographic variation in behavior with a genetic basis. Feeding responses were recorded ...

Genetics is the branch of science concerned with genes, heredity, and variation in living organisms. It seeks to understand the process of trait inheritance from parents to offspring, including the ...