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DNA and Human

March 2nd, 2010 |

Author: admin

DNA (deoxyribonucleic acid) is composed of sugar molecules attached to the phosphate and nitrogen bases. There are 4 nitrogen bases in DNA, namely adenine A (), G (guanosine), T (Thymine) and C (cytosine). Genes are segments of DNA with a specific function and is defined by a sequence of 4 nitrogenous bases of letters. In general, one can not correspond to a series that provides a specific function, such as the formation of a protein that plays a special role in the complexmetabolic pathways of different cells in our body. In humans, the entire DNA packaged in 46 individual molecules called chromosomes, consisting of a DNA molecule each. In 22 pairs of human chromosomes and the autosomal pair X and Y sex, there are about 100,000 genes.This form of the human genome.

In this way, the molecule of DNA that contains all the information for life. Think of it as a navigation guide to life as a detailed map of the notes to beexistence and a sample of the intimacy of your existence. This accounts for a long time, scientists thought that the Holy Grail of understanding of human life is to understand the sequence of DNA (about 1 billion nitrogen bases). Therefore, the so-called Human Genome Project or the HUGO project, funded primarily by the National Institute of Health in the United States.

The man can begin to use this information so formidable for many purposes, including usemost are now considered immoral or unethical. It will end the problem of organ transplantation, because the heart can, kidneys, corneas, intestines, genitals and other organs to grow, from patients without the disease, after implantation in the human body and that, even without problems of rejection. It identified several genes for many diseases and can make people more healthy at birth. It will always end hereditary diseases.

Researchersdecided that the basic features of biological genome organization and gene regulation are beginning to understand how humans evolved from a zygote to adult, because this process is often distracted and changes in growth of the individual. In any case, it is from this point will be the history of mankind, but may also be poor. Already there is the creation of man solely for war or to serve as guinea pigs in many scientific studies. Now, the man who fears thatknowledge is its use to revive the developmental theories of race.

But even more frightening is the idea of mixing of genes from other plants or animals with humans, the concept of species, genera and kingdoms during the day would be broken. Then we saw the men with the strength of an ox, with the eyes of a hawk or an eagle, with the speed of a gazelle, with a sense of direction of a dove, with the smell of a dog, with the resistance drought of a thistle. Is not that bad, just think that is aterrible things, and all just a way for humanity is progressing well.