Dolly The Sheep Essay

Animal cloning started without the world even knowing. First, an animal clone is “an exact physical copy of one ‘parent’” (Newman 12). “Animal cloning experiments began in the 1960’s. Frogs were the first subjects. By 1987 scientists had begun cloning cows and other mammals” (Newman 12). Dolly the sheep was the first big cloning success, credited to Ian Wilmut in 1996 (Praded 21). This sheep was a scientific breakthrough, but it also caused many people to question the intents of scientists. Many people wondered if scientists would clone humans next. The original intent of animal cloning was not for the food industry. The reason animal cloning started was to find a way to help cure currently untreatable diseases (“Why Do Scientists Clone?”). By cloning cells, scientists will be able to manipulate the cells to become something new.

Scamper won a record 10 Professional Rodeo Cowboys Association world championships from 1984-93 and helped make James the first million-dollar cowgirl and the all-time leading money winner in barrel racing. Scamper is the only barrel racing horse in the Pro Rodeo Hall of Fame. Scamper was a plain bay gelding picked out of Charmayne’s father’s pen of colts by herself, proving to the world that Scamper was no ordinary horse. The fact that he did not have the fancy breeding as many of the other competitive barrel horses set him apart from all the rest of the horses at that time. Making him a perfect candidate to be a part of the new cloning program. Although Scamper was a very important breakthrough in the cloning of animals, he was not the first. The first mammal to be intentionally cloned from an adult cell was a sheep called Dolly in 1996. Dolly was created using the technique of somatic cell nuclear transfer. The nucleus is the part of the cell that stores genetic material. To produce Dolly, scientists used an udder cell from a six-year-old Finn Dorset white sheep. They had not found a way to 'reprogram' the udder cells - to keep them alive but stop them growing – which they achieved by changing the growth medium. Then they injected the cell into an unfertilized egg cell which had had its nucleus removed, and made the cells fuse by using electrical pulses. The unfertilized egg cell came from a Scottish Blackface ewe that dolly was used to be born. When they finally had managed to fuse the nucleus from the adult white sheep cell with the egg cell from the black-faced sheep, they needed to make sure that the final cell would develop into an embryo. They cultured it for six or seven days to see if it would be divided and developed normally, before implanting it into a surrogate mother, another Scottish Blackface ewe. Even though Dolly had a

The FDA says that it is just as safe to eat a cloned animal as it is to eat an animal that was conventionally bred. Cloning does not modify or manipulate an animals genetics or DNA, it is an exact copy of the animal. Then the cloned animal is used to help livestock breeders with the reproduction of their most productive livestock and create healthier offspring. Our society benefits from animal cloning because, it is

Six years ago, an event in genetic history changed our perspective on "reproduction" and added to our conscience a new element in the study of biology. On February 23, 1997, the world was introduced to Dolly, a 6-month-old lamb that was cloned from a single cell taken from the tissue of an adult donor. Ever since the birth of this sheep, a question that never before existed now lingers in the mind of many: should human cloning be a part of our society?

The dawn of the process of splitting and recreating cells began more than 50 years ago, but more recently a sheep named Dolly was born that brought many things to light in this side of science. Although Dolly the Sheep was born from a cloned cell instead of pieced-together body parts, she and Frankenstein’s monster are reminiscent of each other by their controversial, odd births and critical impacts left on the world. Being the first ever successfully cloned mammal brought fame to Dolly’s

The first Mammal to be cloned was Dolly the sheep. That’s when cloning really started to take off. Dolly lived from 5 July 1996 to 14 February 2003. Since the cloning of Dolly just over 20 years ago, 22 other species of animals have been cloned since. ("Cloning Dolly The Sheep") (“How many

This gave many people suspicion that cloned animals aged prematurely. However, a daily anti-inflammatory treatment resolved the clinical signs within a few months. While Dolly was continuing to get better, in January of 2001, Cedric, one of the cloned sheep, died. Cedric died of Sheep Pulmonary Adenomatosis, which is caused by a virus that induces tumors to grow in the lungs of affected animals. The virus is infectious and spread to other sheep by close contact. Scientist immediately removed Dolly from the pen even though there was a good chance she was already infected. Dolly did die of SPA after many, many months of the other sheep deaths. While this may seem like a negative, it is actually a common disease of regular conceived sheep. This long and effective research experiment showed many people in the science world that cloning animals has a very bright future.(The Roslin Institute)

The egg divided and was implanted into an ewe. Dolly was born with developed arthritis and premature aging. At age six, Dolly died because of these health problems (“Animal Cloning”).

Well, for all of you that haven’t according to (CNN) Dolly the Sheep, was the world's first cloned mammal. Dolly had a remarkable life spans (for a clone) of 6 years but, due to the discovery of progressive lung disease Veterinarians gave Dolly a lethal

When Dolly, the first cloned sheep entered in the news, the cloning controversy is becoming more prominent. Not only researchers, the general public became interested in knowing how cloning is done as well as engage in the pros and cons.

The ethical concerns with cloning didn’t become a problem until Dolly, the sheep, was created. Many years before Dolly very similar experiments were being performed; however, those experiments did not spark much public concern regarding cloning. Over fifty years

The (SCNT) research became reality in 1997 with the breakthrough of cloning the first mammal At Roslin Institute in Scotland an embryologist by the name of Ian Wilmut and his team replaced the nucleus from an oocyte of a blackface ewe with the nucleus of a cell from the mammary glands of a six-year-old Finn Dorset sheep. They transferred the resulting embryo into the womb of a surrogate ewe and approximately five months later Dolly was born. She was genetically identical to the Finn Dorset ewe from which the somatic cell had been obtained (Human genome project information. 2002). In the announcement of her controversial birth, an

The first cloned mammal, Dolly saw the light of day in 1996, and she lived until the age of six. Dolly is considered to be a great success. Later, several hundred other Dollies were cloned. After cloning was successfully demonstrated through the production of Dolly, many other large mammals were cloned, including pigs, deer, horses and bulls.

The first successful mammal was cloned in the form of Dolly the sheep in 1996. She was cloned at the Roslin Institute in Midlothian, Scotland, and lived there until her death when she was six years old. Animal cloning refers to the production of genetically identical whole organisms, or ‘clones’. This is carried out with the use of somatic cell nuclear transfer. Cloning is designed to quickly and efficiently to produce many identical copies of an organism (generally with desired traits). Somatic cell nuclear transfer is the process of transferring a nucleus from a donor cell to an enucleated egg (an egg that has had the nucleus removed). An pulse of electricity fuses the nucleus and enucleated egg together and the resultant egg is then left to divide artificially for about 5 days (known as a blastocyst). The blastocyst will then be transferred into a surrogate mother that will give birth to the offspring. This offspring will have the identical DNA to the organism the somatic cell (nucleus) came from unless a mutation occurs, which will cause a slight change in the DNA coding sequence. However, the offspring will carry the mitochondria from the donor egg cell rather than the somatic cell which can unfortunately lead to nuclear-mitochondrial incompatibilities that can lead to death. Dolly the sheep was the first mammal to be successfully cloned from a somatic cell. Following Dolly’s death at the

On July 5, 1996, an adult sheep clone known as Dolly was created by using the somatic