A scenario that relates the abundance of dark matter to the baryon asymmetry
of the Universe is presented. In this scenario, based on a left-right extension
of the Standard Model, dark matter is made of light, ~ 1 GeV, right-handed
Majorana neutrinos.Comment: 4 pages, 1 figure, to appear in the proceedings of 40th Rencontres de
Moriond, Electroweak Interactions and Unified Theories, March 11 - 18, 200
