12 Comedians Who Died Before Their Time. by Patrick Bromley. Updated March 18, 2017. There are comics who work for decades and never produce anything of value, and then there are comics who are brilliant but die tragically before the world really has a chance to see the full extent of what they really could have done.
Your autosomal DNA is a random subset of your mother's and father's DNA (50% from each parent). Two siblings will not have the same results for the same reason that they do not look exactly the same. They do not get the exact same 50% from each parent. Even identical twins don't have exactly the same DNA (only almost exactly the same).
Legally your kids and your sisterâs kids are first cousins but at the DNA level they are half siblings. They share twice as much DNA as run of the mill first cousins! What I thought Iâd do for the rest of the answer is go into a bit more detail about why you and your sisterâs kids share 25% of their DNA.