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Frequently Asked Questions
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A half-siblingship DNA test compares DNA from two people to evaluate whether their genetic profiles are more consistent with sharing one biological parent.
Half siblings may share the same biological father and have different mothers, or share the same biological mother and have different fathers.
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Two possible half siblings are required. Each person provides a cheek-swab DNA sample.
If a known common biological parent is available, their cheek-swab sample may also be included. Adding a known parent may provide additional genetic information for the laboratory’s relationship analysis.
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A half-siblingship test evaluates whether two people are likely to share one biological parent based on their DNA. It does not independently identify which parent is shared unless there is additional family information or a known parent’s sample is included.
If the possible father or mother is available, a direct paternity or maternity DNA test is generally the best way to evaluate that specific parent-child relationship.
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A full siblingship test evaluates whether two people may share both biological parents. A half-siblingship test evaluates whether two people may share one biological parent.
If you are unsure whether you and the other participant may share one or both parents, contact GameDay DNA before ordering so the correct relationship test can be selected.
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No. This at-home half-siblingship DNA test uses cheek-swab samples from both participants. A cheek swab collects DNA-containing cells from inside the mouth.
No blood draw, needle, doctor’s appointment, clinic visit, or laboratory appointment is required.
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If a known common biological parent is available, including that parent’s cheek-swab sample may provide additional genetic information for the laboratory to evaluate.
The test can be performed with two possible half siblings, but contact GameDay DNA before ordering if you need help choosing the best test configuration.
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No. This is a self-collected, non-legal DNA test for personal knowledge only. It does not include the witnessed collection, identity verification, photographs, signatures, or documented chain of custody required for legal or official use.
Do not use this kit for court, child support, custody, immigration, adoption, inheritance, birth-certificate changes, Social Security, or another official matter. If you need legally admissible results, arrange legal DNA testing before samples are collected.
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Results are typically available within 5 business days after the laboratory receives all required, acceptable samples.
The total timeline also includes kit shipment, at-home collection, return shipping, laboratory intake, sample-quality review, and any recollection request. Contact GameDay DNA to ask whether expedited service is currently available.
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Your results are delivered securely by email or through the online results portal after laboratory testing is complete.
Use a private email address that you can access. Contact GameDay DNA if you need help accessing your report.
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Yes. A parent or legal guardian can collect a minor child’s cheek-swab sample at home using the instructions in the kit. The collection method is non-invasive and does not require a blood draw.
Wash hands before collection, avoid touching the swab tip, and carefully label each participant’s sample materials.
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The laboratory may request a recollection if a sample is insufficient, contaminated, damaged, incorrectly labeled, or otherwise unsuitable for analysis. A recollection can extend the expected turnaround time.
Contact GameDay DNA before sending replacement samples so you receive the correct instructions and understand any applicable fees.
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No. A self-collected at-home DNA test generally cannot be converted into a court-admissible legal test after collection. Legal testing requires identity verification, witnessed collection, and chain-of-custody documentation at the time samples are collected.
If there is any chance you need an official report, arrange legal DNA testing before collecting any samples.
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Contact GameDay DNA before ordering if you are unsure whether you need a half-siblingship, full-siblingship, paternity, maternity, grandparentage, avuncular, or legal relationship DNA test.
Tell us which relatives are available to test and whether you need results for personal knowledge or an official purpose. Call 302-527-1789 or email info@gamedaydna.com.
