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Unveiling the Power of DNA: Past, Present, and Future Discoveries

Delve into the world of DNA with this comprehensive presentation covering its definition, structure, characteristics, disorders, treatment methods, and future innovations. Explore how DNA influences agriculture and the potential drawbacks of modified foods.

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Unveiling the Power of DNA: Past, Present, and Future Discoveries

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  1. The DNA revolutionpower point presentation Zainab Ebrahim Bou-jaber Zainab Esmaeel Said Hasan Kuwait University - EFS: 162|53-Summer 2004 Instructor : Buthaina al-Othman

  2. Outline • Definition of DNA. • DNA structure. • Characteristics of DNA. • Disorder of DNA result from. • Examples • Methods of treatment. • Future expectations. • Ways of agricultural improvements. • Disadvantage of modified food. • Conclusion. • References.

  3. Definition of DNA • DNA ( deoxyribonucleic acid ): a polynucleotide having a specific sequence of deoxyribonucleotide units; serves as the carrier of genetic information .

  4. DNA structure • Nitrogen bases. • Deoxyribose sugar. • Phosphate group.

  5. Characteristics of DNA • Replication. • Storage of information. • Expression of information. • Variation by mutation .

  6. Single mutation. Specific chromosomal abnormality. Disorder of DNA result from

  7. Down syndrome. Sickle-cell anemia. For example

  8. Methods of treatment • Blood transfusions. • Organ transplant.

  9. Future expectations • Identification of new genes. • Correct genetic defects • Improve the agriculture.

  10. Ways of agricultural improvements Enhance potential for more vigorous growth. Increase resistance to natural predators. Production of hybrids exhibiting a combination of superior traits derived from two different strains.

  11. Disadvantage of modified food It may harm our health because they had little time for research on long-term medical and ecological effects on modified foods .

  12. Conclusion The discovery of DNA structure help people to diagnose the genetic disease and help the society in the agricultural fields .

  13. References • Books • Klug, W.S. & Cummings, M. R. (2002). Essentials of genetics. New jersey: prentice hall. • Nelson, D.L. & Cox, M.M. (2000). Lehninger principles of biochemistry. New York: Worth. • Internet resources • Retrieved on 7/21/2004, from: http://www.ornl.gov/sci/techresources/Human_Genome/medicine/assist.shtml#disorders Base URL: www.ornl.gov/hgmis

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