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Chris Bell 1 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 persons 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 connected by nitrogen containing bases The Four different bases that are present in DNA are adenine thymine cytosine and guanine The particular order of these base pairs is called the DNA sequence which specifies the exact genetic instructions required to create a particular organism with its own unique traits Every three base pairs that a person has makes up a gene and it is said today that a human has approximately 30000 genes To many doctors DNA is considered the personal diary of each person containing everything that has to do with someones life how they will live their lives what will go on in a persons life and how they will die One problem has presented itself though the human genome contains roughly 3 billion base pairs When scientists tried to find base pairs it roughly looked like this and a scientist had to write the base pair on the side To go through and record this much DNA would take forever so something had to be done So in 1990 a project called the Human Genome Project got underway This project was said that it will take 15 years to complete A genome is all of a living things genetic material It is the entire set of hereditary instructions for building running and maintaining an organism and passing life on to the next generation A primary goal of the Human Genome Project is
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