Yes, women would be more likely to sacrifice themsleves
EDIT: Just remembered a joke. A brunette and ten blondes are mountain climbing. They're all holding onto the same rope. They throw it into a cliff and start climbing. All of a sudden, it starts to give way. They decide some one has to let go to save the others. The brunette gives an award winning speech on how she shall sacrifice her life for the others. The blondes applaud