Ah life… a sunny day, a simple friend, and a complex biological story.
The Human Genome Project is a way of exploring our molecular selves. Almost all of our cells, the muscle cells that let us smile, the brain cell that perceive the humor and thinks, the cells of our eyes that take it all in, contain a complete set of all our genes – the genome.
If we could journey inside our self into a cell, we could see 23 pairs of chromosomes packed into a nucleus. Each chromosome contains a long chain of DNA. If all the chromosomes would unwound, the DNA in just one of our cells would stretch six feet long.
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