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10 Cards in this Set
- Front
- Back
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Function of PCR?
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Polymerase chain reaction amplifies & copies minute quantities of DNA
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How does gel electrophoresis work?
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Gel electrophoresis separates fragmented pieces of DNA according to charge and size.
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When is gel electrophoresis used?
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DNA profiling.
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What are two applications of DNA profiling?
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Two applications are paternity suits and criminal investigations.
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What is genetic screening?
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determining experimentally if a person has a specific gene or not.
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What are three advantages/disadvantages of genetic screening?
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Advantages include checking unborn babies for genetic diseases, gaining knowledge about our genotypes.
Disadvantages include ethical issues: abortion, selection of unborn baby. |
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What is the Human Genome Project?
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a project to sequence the complete base sequence of the human genome.
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What are two advantages of HGP?
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1. Study how genes control human development
2. identification of genetic diseases |
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Why can genetic material be transferred between species?
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The genetic code is universal, all organisms use the same nitrogen bases
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Outline the process of gene transfer.
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1. Enzyme reverse transcriptase is used to copy messenger RNA of DNA
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