Siblingship DNA Test – Confirm Biological Sibling Relationships with Confidence
A Siblingship DNA Test is designed to scientifically determine if two individuals are full siblings, half-siblings, or not related. This test is especially helpful when a parent is unavailable for a traditional paternity or maternity DNA test. By analyzing specific DNA markers, the test provides reliable and conclusive siblingship DNA test results that can be used for both personal clarity and legal purposes.
At DNA Forensics Test Solutions Pvt. Ltd., we provide accurate and confidential siblingship testing in ISO- and NABL-accredited labs, giving you results you can trust.
How Does a Siblingship DNA Test Work?
- DNA Profiling: DNA is extracted from samples collected via a painless cheek swab from the two alleged siblings (and sometimes a known parent).
- STR Marker Analysis: Short Tandem Repeat (STR) markers are analyzed to compare genetic similarities.
- Siblingship Index Calculation: A statistical value called the siblingship index is generated.
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- Index > 1.00 = Likely full or half-siblings
- Index < 1.00 = Likely not biologically related.
- Accuracy Boosters: Including the mother’s sample or additional siblings strengthens the accuracy of the test, especially in half-sibling cases.
When Should You Consider a Siblingship DNA Test?
- Unavailable Parent: When the alleged father or mother cannot participate in a paternity/maternity DNA test.
- Kinship Clarification: To determine if individuals share one or both biological parents.
- Legal Requirements: For matters such as immigration, inheritance, or custody disputes, with strict chain-of-custody protocols followed.
When Sibling DNA Tests are Commonly Used
Beyond curiosity, siblingship testing serves practical and sometimes life-changing purposes:
Immigration Applications –
To prove biological relationships when birth certificates are missing or questioned.
Inheritance & Property Claims –
To establish rightful heirs in cases where family lineage is under dispute.
Insurance & Benefits Eligibility –
Some agencies require proof of biological relationships for dependent claims.
Family Reunification –
Helps individuals separated at birth or through adoption confirm biological ties.
In these scenarios, siblingship DNA test results can provide the clarity needed for legal, emotional, and administrative resolution.
Turnaround Time and Reporting
Families often want to know how long it takes to receive siblingship DNA test results. Here’s what to expect:
- Sample Collection – Quick and painless cheek swabs, usually done in minutes.
- Lab Processing – Advanced STR marker analysis typically takes 5–7 business days.
- Express Options – Some labs offer priority processing for an additional fee.
- Result Delivery – Reports are sent securely, either via email or hard copy, with a clear explanation of the siblingship index.
This transparent process ensures that families can plan ahead, especially when results are required for legal, immigration, or inheritance purposes.
Factors That Strengthen Test Results
- Mother’s Sample: In half-sibling cases, the mother’s DNA sample provides clearer results.
- More Siblings: Testing additional siblings gives stronger statistical support.
- Accredited Testing: Our lab practices comply with ISO and NABL standards to guarantee result reliability.
Sample Collection Process
- Peace-of-Mind Testing: Simple cheek swab samples can be collected at home with a Sibling DNA Test Kit.
- Legal Testing: For official purposes, samples are collected at a certified location (clinic or hospital) with ID verification and chain-of-custody documentation.
This transparent process ensures that families can plan ahead, especially when results are required for legal, immigration, or inheritance purposes.
Siblingship DNA Test Cost and Availability
The siblingship DNA test cost in India is affordable and varies depending on the type of test:
- Peace-of-Mind Tests: Lower cost, ideal for personal reassurance.
- Court-Admissible Tests: Slightly higher price due to legal documentation and strict handling requirements.
With our nationwide network, you can easily find a siblingship DNA test near me or order a kit directly to your home.
Trust in Science, Trust in Results
At DNA Forensics Test Solutions Pvt. Ltd., we combine advanced technology with professional expertise to give you clear, accurate, and confidential results. Whether you need answers for personal reasons or legal matters, our testing services are designed to meet your needs.
Book your Siblingship DNA Test today
FREQUENTLY ASKED QUESTIONS
How accurate is a sibling DNA test?
A sibling DNA test provides reliable results, but accuracy can vary depending on whether the test is for full siblings or half-siblings. Including a known parent’s DNA sample, like the mother’s, significantly improves accuracy.
How much does a sibling DNA test cost?
The siblingship DNA test cost in India depends on whether it is for peace-of-mind or legal purposes. Legal tests require additional documentation and chain-of-custody handling, which may increase the price compared to at-home testing kits.
Can a DNA test be done with siblings?
Yes, DNA testing between siblings can determine if they are full siblings, half-siblings, or unrelated. This is especially helpful when a parent is unavailable for a direct paternity or maternity test.
How to read siblingship DNA test results?
The results are presented as a “siblingship index”:
- Index > 1.00 = Indicates a biological relationship (full or half-siblings).
- Index < 1.00 = Suggests no biological relationship.
Can a sibling DNA test be used for legal purposes?
Yes, provided the test follows a strict chain-of-custody process. This includes verified sample collection at an accredited facility, ID checks, and proper documentation, making the results valid in court for cases like inheritance, custody, or immigration.
How long does it take to get siblingship DNA test results?
Results are usually available within 7–10 business days, depending on the type of test and sample collection method. Some labs also offer expedited testing at an additional cost.
