Genetics is the science that studies all aspects of inherited characteristics. Genetic engineering is when the knowledge of genetics is applied to altering the genetic makeup of a living organism (Levine). Many people throughout history have contributed to the development of the refined genetic engineering techniques in use today, which present commercial and social advantages that outweigh the ethical dilemmas they pose. Genetic engineering can provide hope to people suffering from genetic diseases that seem to be incurable, solve the problem of hunger in Third World countries, and provide a means of destroying dangerous nuclear waste. However, there are individuals who are misusing the abilities of genetic engineering, overshadowing its many benefits. "Genetic engineering is one of the most impressive--to some people one of the most frightening--achievements of the 20th century; one that will affect all people" (Edelson 46).
One division of genetics is heredity, the passing of genes from one generation to the next. Humans have long tried to find possible ways to alter their heredity and genes, looking for advantages that would aid them in their daily lives. …