The other form, genetic reconstruction, is used to replace genes within humans to help or enhance the life of an unborn child for a medical reason or just for the preference of a parent. Before being used on humans it was used on crops to enhance the livestock to increase taste size and many other desirable traits in food to make them more enticing to consumers and to make them easier to grow in certain weather conditions and also to withstand pesticides needed to safeguard the crops. There is not any proof of the long term effects of genetic engineering. People have been worried about the effects of eating genetically engineered crops on their health and because of the concern the Organic Trade Association doesn’t allow genetically altered. It is an idea that has not been taken very seriously over the past decades and was only seen as a wildly imaginative miracle out of reach of scientists past.
Out of 300 attempts, only one survived the process, Dolly a lamb born in 1996 (Worldbook, 1). The creation of Dolly is one of only a few examples that have ended in success . Having familiarity with the process of cloning helps one understand some cloning experiments. With odds like one out of 300... ... middle of paper ... ...t Type of Process 1. Isolate an individual gene from one organism and grow it in another organism belonging to a different species.
What if cancer could be cured by eating a pear? Or if a crop of wheat could be developed so that it never rotted? These may sound like science fiction but they're not as strange as they first seem to be, and may even be reality in the future. Fifteen years ago who would have thought that plants could be created to be immune to pesticides or that it would be possible to create a sheep that is exactly like its parent in every physical way? And yet both of these currently exist due to genetic engineering.
Cloning is when an individual, animal, or cell is identical to its source. However, the clone does not have to look identical to its source. Cloning has only been completely successful on animals. Dolly the sheep was the first successful cloned animal. Even Dolly the sheep had some defects and she did not live a normal life span that a sheep should have.
They have been debating if GMO’s will actually harm the environment or human health. Many GMO opponents worry that genetic engineering may transfer allergens molecule to which some people are allergic to. However the biotechnologists are already engaged in removing genes that encode allergenic proteins from soybeans and other crops. This brings me to the point where I could say that science do has its advantages and disadvantages
However, this causes random placement of the DNA and is not a very popular method. The last method is called embryonic stem cell transfer. This allows gene targeting and the insertion of DNA into a specific spot in the animal’s gene, much like genetic engineering in plants (Lee). Genetic modified animals that are currently being tested include salmon, sheep, swine, and cows. Even though genetic modified animals are controversial, many benefits can come from genetically altered animals.
However, human cloning issue is very controversial that up until now, the future of this issue is still uncertain. There are a lot of stumbling blocks in the effort to legalize human cloning. In her book entitled ‘Cloning’, Tina Kafka says that: “Decisions about cloning in the 21st century hinge more on ethicists, religious leaders, politicians, and the public than they do on science.” (2008) Even though the issues on human cloning which arise in science are less than the issues arise in other fields, it is clear that human cloning should not be justified, as it is scientifically wrong. Indeed, cloning is not a new term for most of us. Scientists have been using cloning technology to create duplicates of plants, mainly to manipulate the production of food source (Nardo, 2002).
The term cloning describes a number of different processes that can be used to produce genetically identical copies of a biological entity. The copied material, which has the same genetic makeup as the original, is referred to as a clone. Cloning is a very controversial theme now in days that’s everybody should be informed about it. The majority of the people doesn’t know anything about the subject and do not have the knowledge to make an opinion about it. Cloning animals may be very helpful for the society, our kids and new generations.
What Is Cloning? Cloning can be defined as creating an exact copy of genetic material located in an organism. (Dictionary.com) Though cloning has been going on for over a hundred years, the cloning of mammals has always been a topic of debate. The process of cloning can be difficult to do, and is easier said than done. There are a good amount of situations that have resulted in successful clones of the original mammal, but the most popular and the first example would be Dolly the Sheep.
English researchers have came the closest by teasing frog body cells to develop into tadpoles. The tadpoles, however, never matured into frogs. The Scottish researchers have failed many times with sheep cells before their success, but the task was perfected and accomplished. Now this accomplishment has made it possible for the cloning of almost any mammal, including humans. To the average person, exactly how the technique works is unclear.