Each chromosome has thousands of segments called genes. These instructions are made up of DNA, which is packed tightly into structures called chromosomes. Human cells contain the instructions needed for a cell to do its job. What does that mean? Let’s first learn about the role of genes. Researchers have identified several genetic variants that are associated with Alzheimer’s and may increase or decrease a person’s risk of developing the disease. Is it in your genes? This question isn’t easy to answer. Many people wonder if Alzheimer’s disease runs in their family.
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