ARCpoint Labs of Bellingham
(360) 922-0275

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DNA Test – Avuncular, Grandparentage, Siblingship


The DNA Avuncular, Grandparentage, Siblingship, Twin Zygosity or Y-STR Testing panel of tests determine kinship between people. They include the following:

  • An avuncular test that requires 1 alleged aunt or uncle and the child.
  • A grandparentage test that requires 1 alleged grandparent and the child.
  • A siblingship test that requires 2 siblings and 1 mother.
  • Twin zygosity that determines if twins are identical or fraternal.
  • A Y-STR test that compares 2 males to determine if a common paternal lineage is shared.
  • A Y-STR Test will include an additional charge for autosomal relationship testing.
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