With thousands of scientists involved, the Human Genome Project launched in 1990 and took 13 years to complete, successfully mapping and sequencing every single gene found in Homo sapiens. A gene is made up of DNA and is the basic physical and functional unit of heredity. For example, if a father has two genes for red hair, that could be the reason his daughter has red hair. Let me not slip into the area of gender. No. Done.
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