Ever since humans began to grow their own food thousands of years ago, we have been struggling to find ways to make our crops grow bigger and better. In recent centuries though, science has made great improvements in the field of agriculture. This started with Robert Blakewell, an English farmer in the 1700's. Blakewell created herds of superior cattle, horses, and sheep by only breeding his best individual animals. By taking the best and eliminating …showed first 75 words of 1906 total…

…showed last 75 words of 1906 total…that genetic engineering has. Even though people have been studying different ways to breed better plants and animals for centuries, we still aren't experts at it. Genetic engineering can teach us a lot about how we can change living things to be what we want, but we need to learn more about it before we start using it too much (Avery). Genetic engineering could help us, but it also has the potential to hurt us.