BIO9 FE ESSAY QUESTION how does knowledge of DNA & human genome help mankind – Flashcards
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Why do organisms change over time?
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1. Changes come about because of mutations in DNA. 2. Random changes in DNA may introduce new traits into an organism.
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genetically modified (GM) or transgenic
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Organisms referred to as GM or transgenic have had a gene from another species transferred into their DNA.
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MOST IMPORTANT!!! 3 specific examples and their importance
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1. Making plants more insect-resistant. Can help prevent starvation in developing countries. 2. fight disease - cloning is used to replicate human insulin 3 DNA identification - law enforcement uses DNA to identify criminals at the scene of the crime. this can also be used to identify paternity and blood relatives.
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genome
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All the genetic material in an organism.
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Human Genome Project
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The primary goal of this project was to sequence the 3 billion nucleotide pairs in a single set of human chromosomes. The initial sequence was published in 2001.
