How is a Sibling DNA Test Done?
Usually, siblings want a DNA test to prove paternity—that is, if their biological father is the same. They might do this for legal reasons—such as Social Security payments or an inheritance—or out of basic curiosity. Although it is not always feasible, the putative biological father does come up for tests sometimes. When the possible father cannot be tested for any reason—including the father is no longer living, cannot be located, or is unwilling to participate—sibling DNA testing offers another option. Though seldom, sibling DNA testing can be used to prove both maternity and paternity. Usually occurring years or even decades […]