Prader-Willi (PWS) syndrome is a rare genetic disease gone seven genes as regards the fifteenth paternal chromosome are absent or operational abnormally. This sickness was first described in 1956 by scholars Andrea Prader and Henry Willi. SPW occurs in one out of 25000-100000 births. It is important to recall that the genetic material which influences… Continue reading Prader-Willi Syndrome And Its Characteristics