Let’s think of DNA like a book. Approaches to reading your DNA called genotyping (sometimes known as microarrays or arrays) look at a couple letters on a page. Helix does what is called sequencing. Sequencing reads entire sentences and paragraphs, it gives us more of the full story. It provides much more information to inform us about what our DNA can tell us today, and over time.
Read more in our blog post on DNA technologies.