Is Alzheimer’s disease hereditary?

Yes, Alzheimer’s disease is hereditary, which makes it important for you to know your family history. As Alzheimer’s disease can be inherited from parent to child, it is crucial for you to share your family history with the doctor to receive immediate treatment.

Your chances of developing this disease increases if an immediate family member, such as one of the parents or a first-degree relative has been diagnosed with Alzheimer’s or dementia. There is a 50% chance that a copy of an altered gene will pass to a child through an autosomal dominant pattern.

Autosomal dominant inheritance explains the mechanism behind a disorder that passes from one generation to another. When a genetic disorder is diagnosed in a family, the members often wish to know whether it will pass on to their children or not. Though it is difficult to confirm the inheritance of a genetic disorder by the next generation, the autosomal dominant pattern provides a 50% chance of children inheriting the disorder.

In this pattern of inheritance, mutation occurs in the non-sex genes and a single copy is enough to cause the disease. This makes Alzheimer’s disease a difficult condition to handle because a parent with one affected gene is enough to risk the next generations.

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Disclaimer
Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can further read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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