Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. In fact, each species of plants and animals has a set number of chromosomes. A fruit fly, for example, has four pairs of chromosomes, while a rice plant has 12 and a dog, 39.
Quick Answer. Frozen grapes are best if used between 10 and 12 months. Although they are best when used within a year of freezing, frozen grapes kept frozen at 0-degrees Fahrenheit are safe to eat indefinitely. Keep Learning.
Grapes continue to ripen after they have been harvested. Refrigerating them slows the ripening process down. Fresh grapes have a green stem, while older grapes have dried out and brown stems. Grapes can also be frozen to extend their shelf life. One cup of grapes has 104 calories. They contain high levels of vitamin C and vitamin K. They are low in saturated fat, sodium and cholesterol. Grapes are primarily composed of carbohydrates and have high levels of sugar.