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No
Yes, they can.
it can, if semen contains pus or blood.
I did a dna paternity test with a man that i thought was my father, i got the results and he was not my father my question is that if he had a bone marrow transplant will that change his blood type?
A blood test can give results 7-12 days from conception.
They get your blood for it and then they ask you to wait for the results. See related link.
A computer is used to process the information from the test, then the results are analyzed by a doctor.
No, the skin would not absorb enough alcohol to alter the test results.
hemoglobin 11.5
no
6 days
Lymphocytes