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And while spiders don t make sufficient silk to supply this tremendous body armor, scientists discovered that spider silk is a protein similar to goat milk. When the spider gene is inserted into a goat, the goat produces a protein that is an identical to that present in spider silk. The human body has about three billion base pairs, but solely about four percent of these pairs represent DNA that impacts gene function. In keeping with the Human Genome Project, there are between 26,000 and 40,000 genes within the human body. The point of genome analysis is to find the genes and determine simply how the four bases are sequenced, and then to study what the genes truly do