The X and Y Chromosomes Determine Your Sex. One chromosome pair - the sex chromosomes - is unique. You don't necessarily end up with a matching pair. Typically females have two X chromosomes and males have an X and a Y. Mothers always pass an X chromosome on to their children.
On the other hand, the absorption of nonheme iron, the major dietary pool, is greatly influenced by meal composition. Ascorbic acid is a powerful enhancer of nonheme iron absorption and can reverse the inhibiting effect of such substances as tea and calcium/phosphate.
wikiHow to Eat More Vitamin C. Vitamin C, also known as ascorbic acid, is a water soluble antioxidant vitamin that helps control infection, neutralize free radicals, and aid in the body's absorption of iron. It also helps to make collagen, which is vital to the health of teeth, gums, bones, and blood vessels.