Affordable sibling DNA test as a functional substitute for a paternity test!

Paternity is not always an option available to everyone and that’s why you need an affordable sibling DNA test which can also act as a paternity test in some cases. But you might be wondering about-

Is it possible to take a Paternity test without a father?

Well, the answer is yes, it is possible. You can do a paternity test by testing the first child of the alleged father for a sibling DNA test. A sibling DNA test has the power to determine whether two individuals are biologically related or not.

It can also give you insight into whether your child and the first child of the alleged father are half-siblings or completely unrelated. You can check out our centers for sibling DNA test in Dallas if you want to learn more about the test procedures.

But how is that possible? How does that work?

It is possible because we receive half of our DNA from the mother and the other half from the father. And this phenomenon is what gives us the window to use nature for our benefit.

In your case, you are using the DNA of the first or any child of the possible father with your child. And since we get half DNA from our father, if the children share the same father they must be half-siblings. This means both of them to share half of their DNA with the father.

Hence the experts look for this genetic similarity by comparing the DNA samples side by side. If they turn out to be half-siblings, that confirms that they have the same father.

Are you tired of searching for “sibling DNA testing near me”?

Worry not because FaceIT DNA Technology is here to rid you of your burden.

Here you can get the best sibling DNA test in Dallas at affordable rates. We deliver DNA test results with 99.9% accuracy too within 2-5 business days depending on the kind of DNA test you opt for.

Contact us today if you want to learn more about the DNA testing services we provide at Tel: 833-322-3362 or you can also schedule a call back from the website.

Each human being has 23 paired chromosomes in their genetic profiles. Half of everyone’s genes come from the mother and half from the father. So, when a sibling DNA test is performed, it’s very helpful to test the alleged siblings and the mother. This way, the DNA that matches all three participants can be moved out of the way to focus on the remaining genes.

How to read a sibling DNA test?

The goal of test findings is to offer a statistical likelihood that supports the connection under test. Additional proof might be obtained by doing direct sibling DNA testing or by testing additional parties, such as a known parent’s sample. This can be tested through a DNA testing facility or with the help of an at-home DNA test kit for siblings. 

Types of Sibling DNA test

Paternal Lineage test

For male siblings, a Y chromosome test, a distinct kind of sibling DNA test, is recommended to find out if they have the same biological father. This exam is very accurate. To determine if they share a paternal line, females might request a male blood relative undergo a Y chromosome test on their behalf.

Maternal Lineage test

By testing their mitochondrial DNA, brothers and/or sisters can find out if they share the same mother through sibling DNA tests. Male and female progeny acquire this unique kind of DNA from their mothers. However, only women can pass on their mtDNA to their offspring. If they have a shared biological mother ancestor, two or more people will share the same mtDNA profile. The one negative thing about mtDNA testing is that the results will only indicate whether you have a common maternal ancestor; they won’t identify the specific ancestor you share, such as whether you have the same mother, aunt, grandmother, great-grandmother, or another relative.

Reading Test Results 

The number of alleles you and your possible sibling got from your parents at the appropriate genetic marker are represented by the numbers in different columns. It is possible to have two distinct alleles (such as “13,14”) or two identical alleles (such as “14”) at a marker. You “match” at the associated genetic marker if the same number appears in both columns.

The statistical strength of a match at the appropriate genetic marker is shown in columns Sibling Index (Full) and Sibling Index (Half). These values are computed based on the match type often anticipated for genuine full and half-sibling couples.

 Siblingship Index Reading

At the end of a DNA Sibling Test, the sibling index values for every DNA locus are multiplied to get the Combined Sibship Index, or “sibship index”. The sibship index shows the number of times the individuals under test are more likely to be full or half siblings than unrelated.
A higher probability of a connection is often correlated with a bigger sibship index (>1.0). There is a greater chance that two people are linked as siblings if the sibship index is higher than 1.0.

A reduced sibship index (<1.0) also indicates a decreased chance of a link. The less likely the two people are linked as siblings, the lower the sibship index falls below 1.0.

Can you determine paternity through siblings?

It is feasible to determine the paternity of siblings by looking at the genetic Information that the two full and half siblings share with their parents. Our laboratory verifies shared parentage in siblings by comparing DNA markers throughout the genome.

We could objectively establish that purported siblings have the same father’s lineage if they have substantial DNA segments unrelated to the mother. Using DNA markers and STRs analysis, quick paternity tests generate an association percentage score. Thus, by comparing the biological characteristics of siblings and our genetic makeup, the technique may establish paternity even without in-person testing of the father. 

Thus, by reviewing our in-depth DNA research, you can comprehend the genetically identified relationships that demonstrate the same mother or father. For assistance in understanding the outcomes of your affordable sibling DNA test and figuring out what the findings legally imply, contact Face DNA Test.