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.
Information about Vitamin C (Ascorbic Acid) 1  Vitamin C is a water-soluble vitamin. It is not stored in large amounts in the body. 2  Vitamin C is important for growth and repair of bones, teeth, skin and other tissues. 3  Vitamin C has many other roles in the body and can also: Increase your body's absorption of iron from plant-based foods.