Human genetics Free Essays

Model genetic organisms have relatively short generation times, produce numerous progeny, are amenable to laboratory manipulations, and can be maintained and propagated inexpensively. Arguments against considering humans as a model genetic organism: Although human genetics has been intensively studied, humans should not be considered a model genetic organism because they lack the characteristics of model genetic organisms. Humans have a long time between generations, usually bear only one offspring per mating, and are expensive to maintain. We will write a custom essay sample on Human genetics or any similar topic only for you Order Now Most importantly, humans are not amenable to laboratory manipulation; the ethical barriers to controlling human matings and subjecting humans to experiments are insurmountable. Ultimately, the purpose of model organisms is to enable experimental investigations that are not possible with humans. Arguments in favor of humans as a model genetic organism: Human genetics has been extensively studied, with vast accumulated literature and knowledge. Extensive records of marriages, births, deaths, medical histories, and migrations provide a wealth of data. The human genome has been sequenced. Some unique features of humans, such as long life-span, diverse habitats and behaviors, varied diets, and relatively large size make animal models inadequate for study of many aspects of human biology and genetics. Ultimately, we are our own model organism. How to cite Human genetics, Papers