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A '''paternity test''' is used to ascertain who is the [[father]] of another person.  It is frequently done by [[DNA]] analysis of the [[mother]], [[child]], and the possible father. Since a person's DNA is the same in all of their cells, DNA testing can be done with a [[blood]] sample, a swab of [[skin]], or a lock of [[hair]].  A comparison of one's DNA sequence to someone else's will show if either of them is the parent of the other. 

A '''paternity test''' is used to ascertain who is the [[father]] of another person.  It is frequently done by [[DNA]] analysis of the [[mother]], [[child]], and the possible father. Since a person's DNA is the same in all of their cells, DNA testing can be done with a [[blood]] sample, a swab of [[skin]], or a lock of [[hair]].  A comparison of one's DNA sequence to someone else's will show if either of them is the parent of the other.

 

We could set all of this [[Da Vinci Code]] nonsense to rest with a simple paternity test.