Human Genome Project

homophile Genome Project Janai Groves The genome is an organisms complete locate of deoxyribonucleic acid. Genomes switch widely in size: the smallest known genome for a nonsymbiotic organism (a bacterium) contains just about 600,000 desoxyribonucleic acid stupid pairs, while mankind and mouse genomes have nearly 3 billion. Except for advance red blood cells, all pitying cells contain a complete genome. desoxyribonucleic acid in the clement being genome is arranged into 24 distinct chromosomes--physically separate molecules that range in length from about 50 million to 250 million prat pairs. A fewer types of major chromosomal abnormalities, including missing or extra copies or gross breaks and translocations bear be notice by microscopical examination. Most changes in DNA, however, are more than subtle and drive a closer analysis of the DNA molecule to pose perhaps single-base differences. Nearly half of the human genome is composed of permutable elements o r jumping DNA. First recognized in the mid-forties by Dr. Barbara McClintock in studies of peculiar heritage patterns found in the colors of Indian corn, jumping DNA refers to the idea that some stretches of DNA are unstable and transposable, i.e., they can move or soon and between chromosomes. This scheme was confirmed in the mid-eighties when scientists observed jumping DNA in other genomes.

straightaway scientists believe transposons may be linked to some transmitted dis identifys such as hemophilia, leukemia, and chest cancer. They also believe that transposons may have played searing roles in human evolu tion. The U.S. Human Genome Project bega! n in 1990 and was a 13-year effort coordinated by the U.S. Department of Energy and the topic Institutes of Health. The task originally was plan to last 15 years, still rapid technological advances sped up the completion date to 2003. The project goals were to identify, determine, store, improve, transfer, and address. They had to identify all the nearly 20,000 25,000 genes in human DNA, determine the sequences of the 3 billion chemic base pairs that...If you want to contribute a full essay, order it on our website: BestEssayCheap.com

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