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Manipulating Genes (Selective Breeding (the process (Choose parents that…
Manipulating Genes
Selective Breeding
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the process by which humans breed plants and animals with particular, desirable genetic characteristics
the process
- Choose parents that best show the desired characteristic
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- From the offspring, choose those with the desired characteristic and breed
- Continue over many generations
Inbreeding
Some breeds are particularly prone to disease or inherited defects as a result of selective breeding
Genetic Engineering
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Process
- Enzymes are used to isolate the required gene.
- The gene is inserted into a vector.
- The vector is used to insert the gene into the required cells
If the genes are inserted into the cells of animals or plants at the egg or embryo stage, then all the cells in the organism will get the new gene
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Cloning
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Artificial Production
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Animals
produced by splitting apart cells from an embryo before they become specialised, then transplanting the identical embryos into host mothers