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Word Count: 526
DNA CLONINGEver since the beginning of time people were trying to find an answer to a question Where did we come from During the middle ages church had the answer to this question-- allmighty God has created our planet all the life organisms on in including humans However in the 1800s a scientist named DrDarwin has come up with a theory of evolution which dramatically changed out perception of the world around us According to Darwin humans have evolved from monkeys over many millions of years because they began to make tools so that their simple tasks could be done faster better and more efficiently However in the 20th century scientists had the technology developed good enough to study the tiny particles of cells in human body They have discovered the source of all the life on our planet Its called DNA-- dexy-ribo-nucleic acid What is DNA What is the DNA made of How does it look DNA deoxyribonucleic acid is the primary genetic material in all living organismsDNA is a molecule encoding the information of who you are -- on every level of your existence It consists of fine hairlike strands in coils within coils and it dwells within the nucleus of every cell in your body Its form is the double helix It looks like a very fine long ladder with innumerable rungs twisted so that the two legs or strands spiral upward around each other and then coiled up again and again so that it fits in the tiniest of spaces If all the DNA in any one cell of your body were pulled out of the nucleus and stretched out end to end to its full length it would be over six feet long Below is a computer generated image of a cross section of DNA as if looking down a tube of it ten base pairs long It was produced byRobert Langridge of UC San Francisco many years ago
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