Is man just another species?

In genetics, and even more recently in genomics, the development of ethical norms has paralleled that of scientific progress. Compared to the relative simplicity of earlier questions, these new ethical challenges, dealing wit h population genetics and species specificity are far more complex. in this article, we will show how progress in cloning technologies could change ge netic medicine and force us to reconsider the definition of species integri ty and ultimately of what makes us humans.