Your genetic blueprint has 3 billion letters
Our human genome, a vast library of 3 billion DNA base pairs across 23 chromosomes, holds the complete instructions that make us uniquely human and drives modern medicine.
The human genome, our complete genetic instruction book, contains about 3 billion DNA 'letters' or base pairs. These are organized into 23 chromosomes, dictating everything from eye color to disease risk. The landmark Human Genome Project, finished in 2003, mapped this entire sequence, revolutionizing medicine.
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