Guide to Sibling DNA Testing
Sibling DNA Testing is a way to determine whether two (or more) individuals share one or both biological parents.
Full-Sibling Study
This sibling test is for people who want to determine if they have both parents in common. In other words, share the same mother and the same father.
Half-Sibling Study
This sibling test is for people who want to determine if they have one parent in common. In other words, share the same mother or the same father).
How does Sibling DNA Testing work?
Test Limitations
- The number of allelic matches within the DNA profiles.
- How likely it is that we find the same allele at that same DNA location, if testing a random, unrelated individual from the same ethnic background.