Sibling-ship DNA Test determines if siblings are the biological children of the same two parents or not.

It also confirms if they are full or half-siblings.

This test is an indirect way to establish family relationships.

A Siblingship DNA Test involves two types of testing: the results determining if the alleged siblings are full siblings, half-siblings, or not related at all.Full Siblingship DNA Test: Siblings having the same biological parents are called full siblings.

For example, a Full Siblingship DNA test is done when the siblings know they belong to one of the same biological parents, say the mother, and want to confirm if they also share the same biological father.

The presumed siblings are not related to each other if the index is less than 1.00.