48-Male Looking for Insurance. Mother and younger sister had HD. Havent been tested/Dont want to until I get Life Insurance

So my mom passed mid 40s related to Huntington Disease(technically in car crash+ mental decline afterwards and was diagnosed afterwards). Younger Sister (40s) had stroke and was tested for it.

I have never shown signs but was about to get tested through Kaiser but Genetic Doctor suggested first to get Life Insurance since if I am tested then I will never be insured. What are my options? Do I have to lie on forms if I know about family history? I technically never received any paperwork about family history (it was word of mouth). Will certain Term Life insurance policys not work if you are tested later in life and found positive? I am Male 48-California and prolly looking for 20-30 term 500,000 or so. I am relatively healthly (no drugs, no alchohol, never been in hospital or even stitches, little overweight,ect).

Also wanted to point out I was estranged from both mom(abuse) and sister (havent seen in 20 years) since both were alchoholics (to the extreme). Only found out through my father through phone

submitted by /u/Thessylimnias
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