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.
However, when you are roasting shoulder, round or rump roasts, the doneness temperatures should be adjusted 5 degrees higher; for best results, cooking beyond 145 degrees is not recommended. For narrower-shaped cuts of beef, such as eye of round, roast at 170 degrees for 2 hours per pound.n general, roasts cooked using the slow-low method will follow the doneness temperature guidelines of 125 for rare, 130-135 for medium-rare and 140 for medium; that is particularly true of roasts from the rib or loin, especially the tenderloin.