BIOL 120 Week 5 Notes
BIOL 120 Week 5 Notes BIOL120
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This 1 page Class Notes was uploaded by Julia Delaluz on Monday March 7, 2016. The Class Notes belongs to BIOL120 at Towson University taught by Dr.Partain in Winter 2016. Since its upload, it has received 16 views. For similar materials see Principals of biology in Biology at Towson University.
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Date Created: 03/07/16
Julia Delaluz BIOL 120 Week 5 Notes 3/7 Modes of Genetic Engineering: Gene Therapy Insert a normal gene into the appropriate cells of an individual affected with a genetic disease, thereby permanently correcting the disorder A retrovirus (virus rendered harmless) is used as a vector o It exploits the ability of the virus to insert DNA into the chromosomal DNA of its host cell Cloning Produces one or more organisms genetically identical to the “parent” that donated the single cell First attempted over 50 years ago Current interest in organismal cloning comes from its potential to generate stem cells Problems with animal cloning: o Prone to illness, & premature death o Reduced genetic variation o 90% failure rate o lifespan greatly reduced o many anomalies in clones o high fatality rate in neonatal state o contamination of cell lines makes them unsubtle Stem Cells Class of undifferentiated cells that are able to differentiated into specialized cell types 2 main sources: o Embryos: formed during the blastocyst phase of embryological development (embryonic stem cells) o Adult tissue: (adult stem cells) o Both types of generally characterized by their potency, or potential to differentiate into different cell types (skin, muscle, bone, etc.) Not going to ask questions about How something happens Bioethics Discipline dealing with what is “good” and “bad” and with moral duty and obligation Set or moral principles: a theory or system of moral values Principles of conduct governing an individual or a group; a guiding philosophy; a consciousness or moral importance Set of moral issues or aspects (rightness)
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