<human>: Give me the gist of the text in a nutshell

So, as the title says, my maternal grandfather is in the hospital and the countdown has started. All the family has visited to see him for the last time and say goodbye. While there, my mother and uncle brought up the fact that they are requesting he undergo autopsy to study his Alzheimer's disease. I am not sure what this entails - maybe a brain examination, or perhaps protein and DNA analysis. In any case, it has been indicated to me that the results of this autopsy could reveal the type of Alzheimer's he has and whether or not his descendants have inherited the potential to develop the disease.

Aside from the threat of inheriting Alzheimer's, something else is really bothering me. Will this information harm my family's ability to get health insurance, employment, etc? I am really worried about this. I am uncertain if laws right now protect people's privacy regarding DNA. If this autopsy reveals that he has a highly heritable form of Alzheimer's, will this be a black mark on our health records? For the good of my future medical treatment I really want to know if I need to prepare for Alzheimer's later in life, but not at the cost of my ability to receive insurance and employment.
<bot>: Will the results of my grandfather's Alzheimer's test put a black mark on my records and harm my potential for employment and health insurance?