Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Question: What preventive measure can protect even young children against diseases such as viral meningitis? Answer: vaccination
Children as young as 2 years of age can be vaccinated against viral meningitis.

Question: Depending on how matter interacts with light, it can be classified as transparent, translucent, or what? Answer: opaque
Matter can be classified as transparent, translucent, or opaque depending on how it interacts with light.

Question: What causes genetic disorders in humans? Answer: alterations of chromosome
15.4 Alterations of chromosome number or structure cause some genetic disorders.