Term
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Definition
| Mating between closely related individuals; insures that offspring are homozygous for most traits. |
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Term
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Definition
| Mating of an individual of unknown genotypes with an individual of known genotypes; can help determine the unknown genotype of the parent. |
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Term
| What is genetic engineering? |
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Definition
| Method of cutting DNA from one organism and insertingthe DNA fragment into a host organismof the same or different speices |
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Term
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Definition
| DNA made by recombining fragments of DNA from different sources |
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Term
| What is a transgenic organism? |
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Definition
| Organisms that contain functional recombinant DNA from a different organism. |
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Term
| What is a Restriction enzyme? |
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Definition
| They are bacterial proteins that have the ability to cut both strands of the DNA molecule at a specific nucleotide sequence. |
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Term
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Definition
| A vector is a means by which DNA from another species can be carried into the host cell. Vectors may be biological or mechanical. |
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Term
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Definition
| It is a small ring of DNA found in a bacterial cell. |
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Term
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Definition
| The foreign DNA is recombined into a plasmid or viral DNA with the help of the second enzyme. |
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Term
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Definition
| Clones are genetically identical copies. |
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Term
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Definition
| The approximately 80,000 genes on the 46 human chromosomes. |
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Term
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Definition
| The genetic map that shows the location of genes on a chromosome. |
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Term
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Definition
| It is the insertion of normal genes into human cells to correct genetic disorders. |
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Term
| What are the nine phases? |
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Definition
| Interphase, Prophase1,Metaphase1, Anaphase1,Telophase1,Prophase2,Metaphase2, Anaphase2,Telophase2 |
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Term
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Definition
| It is evidence of an organism that lived long ago. |
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Term
| What is spontaneous generation? |
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Definition
| The idea that nonliving material can produce life |
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Term
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Definition
| The idea that living organisms come, only from other living organisms, became a cornerstone of biology. |
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Term
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Definition
| It is a large, ordered structure, enclosed by a membrane,that carries out some life activities, such as growth and division |
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Term
| What is artificial selection? |
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Definition
| Breeding organisms with specific traits in order to produce offspring with identical traits |
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Term
| What is Natural Selection |
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Definition
| It is a mechanism for change in populations. |
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