How does the Grandparent DNA Test work 
                     How does the Grandparent DNA Test work?
A Grandparent DNA test compares a child’s genetic material (DNA) with the DNA of one or 
more other individuals in order to determine whether the child can be viewed as a biological 
grandchild of the other individuals. A DNA test involves taking a sample of your genetic 
makeup, usually a cheek swab, and comparing it to the other parties’ DNA. Different 
chromosomes and DNA sequences can be used to determine your relationships with other 
people.
The more similar your DNA sequence, the better 
your relationship with the other party. Although 
Grandparent DNA testing differs from “Paternity 
DNA testing” that the child’s DNA is compared to 
the Grandparent’s DNA, Paternity DNA testing 
requires samples from the Alleged Father and the 
child for comparison. In Grandparent DNA testing, 
however, DNA samples are obtained from the child 
and the Grandparent’s DNA is compared to the 
child.
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