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DNA Technology

DNA technology has revolutionized genetic engineering by allowing for the manipulation of DNA fragments for various applications. This includes using bacteria to reduce frost damage to crops and breaking down pollutants, as well as developing herbicide-resistant plants. In animals, DNA technology aids in cloning endangered species and correcting genetic disorders. DNA fingerprinting, which analyzes unique genetic patterns, is utilized in forensic science to identify suspects, determine paternity, and confirm identities, making it a powerful tool in modern biology and criminal investigations.

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DNA Technology

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  1. DNA Technology

  2. DNA Technology • Genetic engineering- process where DNA is split into fragments, and new DNA is inserted • Applications- A. Bacteria- used to reduce frost damage to crops, break down pollutants, produce hormones and antibiotics • B. plants-resist herbicides • C. Animals- cloning endangered species, replacement of genes which cause disorders

  3. DNA Fingerprinting and its’ uses • Samples of organism’s DNA is exposed to restriction enzyme which cuts it into pieces • DNA is run through an electrophoresis machine using gels

  4. 5. Every person is genetically different so their gels would appear different A. identical twins have identical DNA fingerprints B. people who are closely related have similar DNA markers 6. Applications: A. can be used to identify or eliminate suspects B. can be used to determine paternity of a child C. can be used to identify a deceased person

  5. Make sure you can read this to tell who the daddy is, just look at the black bands and if they match up.

  6. A B C D E

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