Exclusion
Exclusion is one of two possible results of a parentage test. The other possible result is inclusion.
An exclusion result indicates that the tested parent is not the biological parent of the tested child. Such a result is produced by comparing the genetic profiles of the tested parties and looking for matches between their DNA markers. If the profiles of the tested parties contain 3 or more non-matches, the alleged parent is excluded as the biological parent of the child.
In a paternity test, the Probability of Paternity (PoP) expresses how likely the alleged father is the biological father of the tested child. When a child’s DNA profile has 3 or more non-matches with the alleged father’s profile, the PoP is 0%. In other words, there is no chance that the alleged father is the biological father of the child.
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