TABLE 1.

Intrauterine and perinatal lethality of mHR23B−/− mutants at different embryonic and fetal stages

StageNo. of mice studiedNo. of mHR23B−/− miceNo. of mHR23B−/− mice expected/no. of mHR23B−/− mice observed
Expected (if Mendelian inheritance)Observed
E13.57017.5141.3
E15.57218.092.0
E18.516240.5192.1
Newborn671167.81610.5