Strain Name,TraitData,SE,N Per Strain B6D2F1,x,x,x C57BL/6J,x,x,x BXD1,18.700,x,x BXD5,18.700,x,x BXD11,18.900,x,x BXD13,18.800,x,x BXD18,18.800,x,x BXD20,15.900,x,x