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You would NEVER give a security-incompetent company your data if you could avoid it, right? Triple that sentiment when the data is granular genetic information -- yes, I'm talking about 23andMe, which has had a catastrophic hack.
Guess what? If a close relative gave them the DNA, you're screwed, too.
You didn't invite a breach of your most personal information, but your well-meaning relative inadvertently did.
We need laws that require your consent, not just theirs.
https://gizmodo.com/what-23andme-data-breach-means-for-users-victims-1851080672
Your post makes some very incorrect claims about DNA testing and #GeneticGenealogy.
Yes, hackers stole the DNA information for people who tested with #23AndMe. No, the DNA data of people who did NOT test with them was NOT stolen--because it was never there.
Relationships can be deduced using #DNA (IF YOU HAVE EXISTING FAMILY TREE FILES to pair it with, and the MANY hours to group your results into family lines)....but your specific #Genetic information (hereditary diseases, eye color, etc.) is NOT in the database, because that cannot be accurately deduced based only on your relatives' DNA.
Those of us who research #Genealogy know well that #DNAtesting is not for the faint of heart. You tend to get...surprises (like "Grandpa cheated").
You're also handing your DNA results over to a company (and sometimes copying this to other websites), so you have to trust them to keep it safe, just like you do with any bank, employer, tax return prep company, big data company, etc.
@AnneTheWriter1 If your sibling's data is there, a lot of you is there.
@dangillmor
Nope. Read my reply again.
I have 3 siblings. Myself and 1 of them have tested. The other 2 do NOT have their medical data online, BECAUSE THEY DID NOT TEST.
My siblings do not have #PCOS. I do.
Two of my brothers are not lactose-intolerant. I am, and one brother is.
I'm a honey brunette, like one of my siblings. The others have dark black hair. Two of my brothers have gone bald a bit, one has not.
We all have different medication allergies, environmental allergies, body weight, lung health, etc.
Siblings have NO medical guarantee of genetic traits (even ethnicity) simply because one has something-- unless they are identical #twins. That's the ONLY time your claim applies. (Fraternal twins have no different odds of shared DNA than singleton siblings.)
FYI: My husband is an identical twin and did DNA test, so his brother's infor is online. (We asked him 1st before testing. He was happy to have a "free" DNA test done for him.)
Imagine a HUGE pot of soup, the size of a large vat.
It has beef, diced potatoes, carrots, celery, turnips, barley, tomatoes, and other delicious ingredients. Everything is chopped to similarly sized pieces.
You have one TINY spoon, and pull out a TINY spoonful from there.
What are the odds you will get a spoonful of only potatoes? What are the odds that you will get a spoonful of every ingredient?
More importantly, what are the odds you will get TWO identical spoonfuls in a row?
Now increase the ingredients to millions of different veggies, and the vat to something the size of a small city. The number of veggie & meat pieces is how many strands of DNA one parent has.
Double that. Make another giant vat. That's the other parent's DNA.
In order to have identical DNA for two siblings, you have to take identical spoonfuls from BOTH vats, TWICE in a row.
It's mathetmatically impossible.
You CANNOT predict sibling #DNA.