Final answer:
Iron deficiency in children can result from a diet that overemphasizes cereals, as cereal-based foods can contain high levels of phytates that reduce iron absorption.
Step-by-step explanation:
Iron deficiency in children is likely to result from a diet that overemphasizes cereals. Although iron can be found in various foods, such as milk, vegetables, and dried beans, cereals tend to contain high levels of phytates, which can reduce the absorption of iron. Therefore, relying too heavily on cereal-based foods in a child's diet may lead to iron deficiency.