TABLE 2

Comparison of phenotypes from reciprocal RIX offspring

RIX crossNo. of miceReciprocal
 RIX crossNo. of miceP-value
 body weightP-value
 brain weight
 1 × 226  2 × 114 0.005 0.997
 1 × 416  4 × 151 0.094 0.503
 2 × 420  4 × 238 0.120 0.288
 3 × 622  6 × 348 0.0004 0.166
 3 × 1035 10 × 318 0.000006 0.0002
 5 × 632  6 × 516 0.614 0.0005
 5 × 718  7 × 515 0.302 0.000007
 6 × 1053 10 × 621 0.005 0.046
10 × 1135 11 × 1012 0.382 0.082
10 × 1231 12 × 1011 0.514 0.101
  • Only RIX crosses with at least 10 offspring from each reciprocal cross are shown. Italics indicate P-values <0.005.