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genetic engineering

Intro to Microbiology, Part 3/3 Study Guide

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Intro to Biotechnology Mark Muller April 4, 2015 Chelsea Claverie Exam 3 Study Guide Southern blotting - Southern blot uses an autoradiograph in combination with an electrophoresis gel to identify similarities between DNA. Similar DNA should travel the same distance in the electrophoresis, on the blot, and have the same binding sites from probes on the autoradiograph. Retrovirus Life Cycle in Cells: Retrovirus originates in nucleus of cell, binds to cell receptor of new cell to infect, reverse transcripts, then binds to the host DNA

Genetic Technology

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Genetic Technology Applied Genetics Selective Breeding Selective breeding is the breeding of organisms to produce certain desired traits in their offspring In selective breeding, a genome is changed slowly and deliberately, over many generations. Selective breeding is one example of biotechnology. Biotechnology is the use of living organisms to make products, such as medicines and improved crops, or to benefit humans. Ancient peoples native to North and South America used selective breeding to develop corn and potatoes from wild plants. Today, farmers still use selective breeding to develop new crops. In order for a new breed with a desired trait to be established, only the offspring that inherit the desired trait are selected to reproduce.

Biology Chapter 20 Study Guide

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Biology: Ch. 20 Study Guide Explain how advances in recombinant DNA technology have helped scientists study the eukaryotic genome. In short: Recombinant DNA has allowed the creation of the biotechnology industry. Longer explanation: Recombinant DNA is DNA in which nucleotide sequences from two different sources ? often different species ? are combined in vitro into the same DNA molecule. Once created by scientists, it is introduced into cultured cells that replicate the DNA and express its genes, creating a desired protein product. This has allowed genetic engineering (the direct manipulation of genes for practical purposes), which has created the biotech industry. Explain the goals of the Human Genome Project.

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Medical Benefits and Consequences in Genetic Engineering Today scientists are experimenting with gene therapy as a way to permanently help people who have hemophilia and other inherited diseases. Gene therapy involves inserting healthy genes into human cells to correct or prevent diseases. When genes are introduced into body cells other than eggs and sperm, this is called somatic cell gene therapy. Any effects are limited to the person receiving the therapy as the new genes are not passed on to future generations. Germ line gene therapy refers to the correction of a genetic problem in an individual?s egg or sperm. This means that once a problem such as hemophilia is corrected inside the
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