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.
Add the beef broth to the pan and place in the oven, uncovered. Roast until the beef is tender and registers an internal temperature of 130 to 135 degrees F, about 1 1/2 to 2 hours. Transfer the roast to a platter or cutting board and let rest for 15 minutes before carving.Meanwhile, use a slotted spoon to discard the onions and thyme sprigs. was cooking a 2 3/4 pound beef rump roast according to the directions of this recipe and after and hour of cooking I couldn't even get a fork through my roast. I then decided to turn the temperature up to 300 degrees and cover my roasting pan. Finally, at about 9:00 pm, my roast was tender.