Daisy suffers from what is believed to be an inheritable form of Alzheimer's disease.The responsible gene is likely located on chromosome 21.

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Research has shown that a gene associated with increased risk for Alzheimer's disease is located on chromosome 21. This gene is known as the amyloid precursor protein (APP) gene. Additionally, individuals with Down syndrome, who have an extra copy of chromosome 21, are at increased risk for developing Alzheimer's disease.

Daisy Suffers from What Is Believed to Be an Inheritable