Liberal societies have a duty to minimise avoidable suffering that might affect their members  Some of the genetic diseases tested include great suffering for the individual, one of them is the Tay Sachs syndrome. Where nerve cells become fatty from reoccurring infections.(1) This is a disease, where even with the best of care; a child dies at the age of 4.  Another is also Down Syndrome, where half of the sufferers have heart defects, increased risks of types of leukemia and high risks of dementia. Physical and mental limitations are also a feature of such a defect which causes many children to die early. (2).  So it is the duty of any society to prevent such sufferings for both child and parents at any cost or method. A similar view is shared among the Jewish community, who has problems with a high prevalence of Tay Sachs syndrome. They believe that due to the psychological and physical repercussions of the birth of a child with the genetic disorder it is better to screen and choose a healthy embryo (or abort the present pregnancy). (3)  So because such diseases cause great distress for the involved parties and we could prevent it, it is morally right for society to engage in genetic screening.  1. National institute for Neurological Disorders and Stroke,  , accessed 05/24/2011  2.Medline Plus 10/18/2010,  , accessed 05/24/2011  3. Daniel Eisenberg, A Jewish perspective on issues related to screening Tay-Sachs disease,  , accessed 05/24/2011