Most eukaryotes have diploid somatic cells, but produce haploid gametes (eggs and sperm) by meiosis. A monoploid has only one set of chromosomes, and the term is usually only applied to cells or organisms that are normally diploid. Male bees and other Hymenoptera, for example, are monoploid.
What is the best way to cook a 3 to 4 pound beef rump roast? A rump roast is often underrated  it has unusually good flavor. If your roast is rated prime or choice, you can roast it at 325Â°F (160Â°C).Figure on 25 to 30 minutes per pound for rare, 28 to 33for medium rare, 31 to 36 minutes for medium, and as long as you want for well done. rump roast is often underrated  it has unusually good flavor. If your roast is rated prime or choice, you can roast it at 325Â°F (160Â°C). Figure on 25 to 30 minutes per pound for rare, 28 to 33for medium rare, 31 to 36 minutes for medium, and as long as you want for well done.
Oven Cooking. To slow-cook a rump roast in the oven, set the oven to 250 F. At this temperature, the roast will cook in about four hours, depending on the size of your roast. Place the roast in an oven-proof pot or Dutch oven with a lid. Add 1/2 to one cup of broth or red wine, so that the roast is partially covered.