Interviewee: Matt Ridley. Matt Ridley talks about Chromosome 22, first chromosome to be read in the Human Genome Project.

Chromosome 22 was the first chromosome ever to be read from end to end. It has fifty million letters on it. It's like a document fifty million letters long. The whole genome is 3.3 billion letters long. That's as long as 800 copies of the bible. And yet each of us has inside each one of our cells the entire document. So it's like having 100 trillion copies of a book as long as the bible inside ourselves. This is the book that was finally read by the Human Genome Project, ending in the year 2000.

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