For an explanation, see the main splats page
The principles of cloning
- Clones are organisms which have identical genes, so identical twins are clones and vegetative reproduction produces clones. Scientists can clone some organisms.
- We eat food from clones all the time: almost all sugar cane is produced from cuttings, which means that sugar cane is cloned, and our sugar comes from clones.
- Cloning humans is regarded by most scientists as both unethical and also dangerous to the new clone, due to errors that will occur in at least some early cases.
- Cloning a mammal means taking a prepared nucleus from a cell and placing it in an ovum which has had the nucleus removed to let the new nucleus to take control.
- The normal nucleus in a new zygote has very few genes operating, while committed cells, anywhere in the body, normally have quite a few active genes.
- The preparation of a nucleus for cloning usually involves depriving the cell of nutrients, so that the nucleus largely shuts down, switching genes off.
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