Nucleotides are the building blocks of DNA. After receiving DNA samples from customers, the DNA testing companies test the DNA for certain gene variants. Most of the personal DNA test kits are affordable. After a specific period of time, you’ll be able to see the results on the web. First of all, you have to collect a little amount of your saliva and then seal it in a small container and lastly mail the container to the lab in a labeled box. The study of DNA even provides remarkable information about our heritage.ĭNA testing is a very simple method. The expressions of genes in our DNA makes us who we are, determining everything from our eye color, our hair color to our height, or which diseases we could defeat easily. The DNA (Deoxyribonucleic acid) carries an entire story of our past, present, and even our future. This has led us to set up a whole new industry for personal testing of DNAs. Humans are very curious about their own identities since forever.
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