The information about cloning, to be complete, I would give a lot of points 10

Cloning refers to the process of making copies that are exactly the same as the originals, and cloning can be cultured to produce better and higher quality products for organ transplantation, reducing the pressure on hospitals and patients. On March 26, South Korean researchers announced that they had successfully cloned two wolves.

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The word "clone" is derived from the transliteration of "clone", which means "artificially induced asexual reproduction". It can be used as both a noun and a verb. When used as a noun, clone refers to an invisible vegetative line; When used as a verb, cloning refers to the work carried out by using different methods to produce an invisible reproductive line.

In short, cloning as a verb refers to a research or operational process, and as a noun refers to the result produced.

Before the birth of "Dolly", scientists had successfully cloned rats, cows, sheep, pigs and monkeys, but "Dolly" is different from these cloned animals in that it is transplanted from somatic cells, not with germ cells.

Cloning can be divided into three categories: gene cloning, cell cloning and individual cloning according to the object of its research or operation. Gene cloning refers to the study of the same gene and its expression products at the molecular (DNA) level. Cell cloning is the study of large numbers of identical cells at the cellular level.

Individual cloning is a series of operations that produce one or more individuals that are identical to their parents, and the biological material used for this cloning may be a cell or a tissue. Obviously, gene cloning, cell cloning and individual cloning are working at three different levels. Using the original gene, cell or biological individual as a template, multiple genes, cells or biological individuals are copied that are exactly the same as the original template.

It's a bit like people using a photocopier to copy materials, or use film to develop **, and copy a lot of identical materials or ** from the original data or negatives.

In the long-term production practice and scientific research, people have mastered many cloning techniques. The poem "Planting flowers with the intention is not successful, and the willows and willows are shady without intention" can be said to be a household name, and the "willow planting" in the poem is actually a "cloning" process, that is, cutting the willow branches into small pieces and inserting them into the soil. After a while, it can grow roots and gradually grow into a small willow tree.

When farmers plant sweet potatoes, they first cut a sweet potato vine into several small sections, and then plant each small section in the soil, and after a few days, the sweet potato vine will grow roots and then gradually grow into a complete sweet potato vine. There are many similar examples that can be cited in plants. Therefore, people should not be unfamiliar with cloning, but simply turn a blind eye.

In addition, the use of tissue culture technology by scientists can also regenerate a complete plant from different tissues of many plants, and it has been widely used in production practice. This tissue culture technique is actually a cloning technique as well.