Most human recipients die anywhere from hours to weeks after receiving the animal organ. ... Secondly, the human body's immune system is vigilant against foreign invaders. ... The immune system may attack it, leading to rejection; this can happen very quickly. The body's immune system is designed to recognise pathogenic organisms and eliminate them. ... All rejection can be prevented by suppressing the immune response, as people who have had a transplant are prescribed to take immunosuppressive drugs. ...

• Word Count: 1357
• Approx Pages: 5

The other benefits of GMO are: improvement of the taste and nutrition, immunity to antibiotics, cultivation of rare and difficult to cultivate kinds of plants, limitation of the preservatives and quality improvement ingredients and the modification of the smell, color and taste of the agricultural plants. ... In fact, juicy and shiny tomato may be a few weeks old and have very little nutrition. ...

• Word Count: 899
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

This process takes about two weeks to complete. ... After one week, the zygote will arrive at the uterus. ... This phase is called the "period of the embryo" and start at the third week after conception and finishes at the end of the eighth week. ... At eight weeks, the major body parts can be clearly seen. ... The "period of the fetus" begins at the ninth week and completes at birth. ...

• Word Count: 2119
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

With the use of an outrageous cartoon, Wilson shows scientists using high technology machines to make vegetables immune to be eaten by insects. ... The rats developed stomach lesions causing them to die two weeks later: since this test the FlavrSavr tomato has been terminated. ... If we unknowingly consume genetically modified foods then our bodies are already immune to its chemicals. ...

• Word Count: 1500
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate

Doctors discourage this immune response by prescribing powerful anti-rejection drugs that patients must take for life. Although the cells created through therapeutic cloning would not have this problem, they would be derived from the patient and the immune system would recognise the cells as the body's own. ... A developing embryo two weeks old is far less complex than any of these organisms, at the time the stem cells are extracted, the organism is no larger than the full stop at the end of this sentence. ...

• Word Count: 2187
• Approx Pages: 9
• Grade Level: Undergraduate

The History of Cloning The history behind the concept of cloning dates all the way back to 1902 when Walter Sutton proved chromosomes contained genetic information. This is what is widely accepted as the "beginning- of cloning, as we know it today. Also in 1902, Hans Spemann divided a salamand...

• Word Count: 1955
• Approx Pages: 8
• Grade Level: High School

Cloning For many years, the cloning of adults, animals or humans has been mostly the object of science fiction, something unforeseen by man. However, "The world was shocked in February of 1997 when British scientist, named Ian Wilmot announced that his research team successfully cloned lamb named...

• Word Count: 2146
• Approx Pages: 9
• Has Bibliography