– Getting Started & Next Steps

What DNA Testing Works can Tell You?

There are already countless of people who have tried DNA testing to find out about their ancestry. Basically, it is now easier to get your hands on these testing kits. The truth is, back in 2018, there are more people who have used consumer DNA tests compared to the reports in previous years combined. Tons of people today are indulging in DNA testing that it’s speculated to grow to around 100 million users in the next couple of years.

There is no doubt with the hype but there is the question that most people asked, how DNA testing works?

There is no straightforward answer here since the company releasing such kits is using proprietary algorithms in handling DNA data. On the other hand, there are a number of things that you have to be aware of if you are really interested to try DNA testing. First, let’s begin with the basics, DNA tests can help in revealing secrets or even discover things that you don’t even knew.

There are a number of things in which DNA test can tell a person similar to where a person roughly came from, how closely you’re related to other members who are in the database and if you have specific traits. However, what you are going to get depends on what you’ve ordered but one thing’s for sure, you will learn whether you’re half of something and the other.



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The DNAs basic building blocks are the person’s spit and the provider’s code. As for the spit, it’s pretty self-explanatory. You will be spitting into a tube and send it back to the provider and then, it’s the provider’s job to extract DNA from the sample and digitize it so by that, it will be stored in the database and create a profile.

As soon as it is digitized, DNA exists as string of 4 nucleobases of DNA which includes C, G, T and A. This is where the provider’s algorithms will kick in to perform DNA testing and it is where things are more complex.

The algorithms are so powerful that it can pull out C’s, G’s, T’s, and A’s. By finding patterns, they can then derive the meaning. Then afterwards, everything here will remain a secret as each companies have their own pattern-spotting algorithm. However, there are roughly 600,000 positions to which human DNA codes differ and these are also known as single-nucleotide polymorphisms.

After DNA testing, it will go to the DNA library to which it can tell where your DNA is found on earth at the moment.

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