Rapid technological and social development means that new legal challenges are still being posed before legislators at the national and international level. The doubts that cloning aroused several decades ago are still valid, and the rapid progress of science makes new threats appear. It is topic that touches not only issues related to human morality and ethics, but also affects other fundamental rights about changing content. Therefore, legal decisions should also refer to such rights as human dignity, the right to identity or the right to physical and mental integrity of human being. All these issues should be considered in relations to the natural, traditionally educated form of human life.