Sibling Ship DNA Test in India - Establish True Biological Relationship

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DNA Testing is not new. We've been using DNA testing since the early '80s to determine biological relationships. What is new is how DNA is expanding to become even more conclusive & with more accessible ways of testing. For example, everyone is familiar with sibling DNA testing, but science has advanced far enough now to determine whether siblingship is half or full.

Do Siblings Share Identical DNA?

No, siblings do not have identical DNA because of genetic recombination. Unlike typical cells, mature sperm & egg cells each have 23 chromosomes; these combine to form a full 46 chromosomes in a zygote.

The reduction in chromosomes happens when the cells are created, as the chromosomes exchange certain parts of genetic material and then form either an egg or a sperm cell. The parts passed on are unique to each egg or sperm cell, meaning that even two full biological siblings share only about half of the same DNA. The effects may be a bit more evident if your family's recent history has a significant degree of genetic diversity.

In other words, even fraternal twins will have genetic variance due to recombination and can expect to have test results that aren't a perfect match.

Types of Sibling DNA Testing

Individuals who share the same biological parents are called full siblings, while those who share only one biological parent are called half-siblings. On average full siblings share around 50% of their genes due to common inheritance, and half-siblings share about 25% of their genes.
  • Full Sibling Ship DNA Testing: In this sibling test, the DNA of both individuals are compared to determine the likelihood that they share the same biological parents.
  • Half Sibling Ship DNA Testing: This test is ideal for cases where alleged siblings share common biological parents but are unaware of which one.
Sample Collection:

Whenever Sibling Ship DNA testing is performed, the first step involves collecting samples from both parties. These samples are then sent to the testing facility, which conducts DNA profiling & generates the report. The samples are collected with the help of cheek swabs made of sterile cotton and are rubbed to collect buccal samples (cheek cells) from inside your cheek. Next, assemble the attached epithelial cells & then extract DNA from these cells for analysis.

Siblingship Index

A sibling DNA testing report gives a 'Siblingship Index,' unlike other relationship DNA tests, whereby the DNA test report is only measured by how much DNA matches between two DNA profiles. Siblingship Index less than 1.00 means the alleged siblings are not genetically related to each other, & if it's greater than 1.00, both are biologically related.

DDC Laboratories India - For Accurate Sibling DNA Testing

At DDC Laboratories India, we provide a 100% accurate, accredited, & reliable Sibling DNA test at competitive prices. Moreover, we are the only providers of AABB, MOJ, & NATA-accredited Immigration DNA tests for the USA, the UK, & Australia.

We offer the fastest turn-around time for a DNA test, including a Sibling ship DNA test in India within 3-5 business days. You can get your test results in one day by choosing our expedited services.

Call us at +91 7042446667 or WhatsApp at +91 9266615552 to book a Siblingship DNA Test in India.


Location: New Delhi, Delhi, India

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