4 billion or more years ago, the first spec of life appeared as a bubble. This may not seem important, but this bubble wrote the chemical code for life, and then passed it on. This object that was passed on is DNA, which carries a person's individual traits. A DNA molecule consists of two strands that wrap around each other in the form of a double helix, whose sides, made of sugar and phosphate molecules, are …showed first 75 words of 1843 total…

…showed last 75 words of 1843 total…almost perfect resolution. But to my children, this means almost having genetic invincibilty against any type of disease that my wife or I have the potential of giving them. By then, I am hopefull that scientists will be able to find out what types of diseases a person may have when they get older, and ways to get rid of these before it can do any harm. ------------------------------------------------------------------------ **Bibliography** www.pbs.org www.celera.com