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What Is Whole Genome Sequencing and Why Should You Care?

You've probably heard of 23andMe and AncestryDNA. They read about 600,000 specific positions in your DNA — roughly 0.02% of your genome. Whole genome sequencing reads all 3 billion base pairs. That's the difference between reading a few paragraphs of a book and reading the entire thing.

Why the full genome matters

The positions that genotyping services read were selected because they're associated with known traits and conditions. But science discovers new associations constantly. With whole genome sequencing, you have the complete data — every future discovery can be applied to your existing file without re-testing.

The cost has dropped 99.99%

In 2003, the first human genome cost $2.7 billion to sequence. Today, it costs under $200. This dramatic price drop means that comprehensive sequencing is now accessible to everyone, not just research institutions.

The medical preparedness angle

If you ever need precision medicine — personalized cancer treatment, pharmacogenomic drug selection, or gene therapy — your doctor needs your complete genome as the starting point. Having it ready saves weeks of waiting during a time when every day counts.

Related: ReadyGenome vs. 23andMe · Sequencing Costs Less Than Your Phone Bill · View Pricing

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