Chromosome 1 is the largest human chromosome, made up of around 249 million nucleotide base pairs and representing approximately 8% of the entire DNA within a human cell. Research into chromosome 1 has shown that it contains around 4,220 genes and was the last gene to have its DNA sequencing completed by The Human Genome Project, nearly twenty years back.
Taco Casserole. 1  1 pound ground beef, lean, ground round. 2  1/2 cup chopped onion. 3  1 clove garlic, pressed or minced. 4  1 (8 ounces) can tomato sauce. 5  1/2 cup tomato juice, beef broth, or water. 6  1 tablespoon chili powder. 7  1/4 teaspoon oregano, crumbled. 8  1 (approximately 15 ounces) can kidney beans, undrained.
Lean or Ground Chuck: This type of ground beef is 80% lean and 20% fat. Usually it is called Ground Chuck on the label. In my area it costs between $1.99 and $3.99 per pound. A pound of raw lean ground beef weighs about 11-1/2 oz after it is cooked.ean or Ground Chuck: This type of ground beef is 80% lean and 20% fat. Usually it is called Ground Chuck on the label. In my area it costs between $1.99 and $3.99 per pound. A pound of raw lean ground beef weighs about 11-1/2 oz after it is cooked.