1) Continue to live 
[gene] Xist (X-inactive specific transcript) is an RNA gene on the X chromosome of the placental mammals that acts as major effector of the X inactivation process. It is a component of the Xic - X-chromosome inactivation centre - along with two other RNA genes (Jpx and Ftx) and two protein genes (Tsx and Cnbp2). The Xist RNA, a large (17 kb...