Buy a GeneTree DNA Full/Half/Twin Test
This product is allows you to test an additional alleged sibling. The best way to understand how this option works is best explained by the following examples:
Situation #1.) If three siblings whether half or full are alleging to have the same parents or parent, then you should order one GeneTree DNA Full/Half Siblings Test and one GeneTree DNA Full/Half Siblings Test (additional siblings) test option.
Situation #2.) If four siblings whether half or full are alleging to have the same parents or parent, then you should order one GeneTree DNA Full/Half Siblings Test and two GeneTree DNA Full/Half Siblings Test (additional siblings) test options.
Buy a GeneTree DNA Full/Half/Twin Test
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