[Painted Horse]

Hope this is this correct area for this question. From the medical field I have an answer, I still wonder from a genalogist point of view, it has bond to change it some.

I have been wanting to do a dna test, when budget allows, to find out what all is in the bloodline. The past year I have had chemo treatments and stem cell transplant ( I was my own donor). But during this time I had several pints of donated blood plus 2 units plalets. This is something I have been wondering about. Advice would be great.

[techteach]

I do not know the answer to your question. However, for what this is worth, the dna sample is taken from a Q-tip swab of the mouth if you use familytreedna.

Techteach

[roca]

Painted Horse,

I had 4 batteries of DNA tests done,1 with Genetree,2 with DNA Tribes,and 1 with 23 and Me.

Genetree and DNA Tribes had me swab the inside of my cheek with Q-tips and 23 and Me had me give a saliva sample.

I’m no scientist,but I don’t think your chemotherapy,blood transfusions,etc,will affect the above DNA testing methods. They’re not drawing blood.

[Linda]

Whole blood transfusions, including white blood cells, might cause some incorrect DNA results for a few days, platelets or red blood cells don’t contain any DNA so they’d have no effect

http://www.wisegeek.com/can-getting-a-blood-transfusion-change-my-dna.htm

[Painted Horse]

Thank you for the responses. The website was very helpful. I think I get it now. Any DNA you may get from transfusion is short lived. The website seemed to explain it in a better way then the hospital doctors.

[Author]

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