Saturday, November 7, 2009

Is it possible tu use DNA test to determine if 2 siblings come from the same father?

We just found out my father has another kid with a gold digger he met some time ago, and it doesn't really look like him.
Me and my sisters are wondering if its possible to make and DNA test between any of us and the kid.
We don't want my dad find out about it.
Answer:
Yes. As long as you have your DNA and the DNA of the suspect sibling you can determine if you have the same father.You don't need the father or mother(s).
I believe it has to be the child and your dad. Different mothers
It would be best if you had a DNA sample from all of the individuals: the dad, the mother and the kid. I would guess, though, that if you had your DNA, one or more of your sisters and the other kid, that a good DNA lab could determine that you all share the same father.I'd talk to a lawyer first, though.
yes you can because you will have a lot of the genaric markers. It is easy to get some of your fathers DNA by getting some body fluids (blood, spit,etc.) off a straw.smoke,tissues etc.
Does not matter if the person looks like your dad. There are many variations in genetics. I think there may be a way to check this without your dad's DNA but it's quite expensive and not altogether 100% accurate.

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