TAILIEUCHUNG - Mastering skills for the toefl ibt advanced part 15

The highest possible-score on the iBT-is 120 points. Different institutions will have their own specific score requirements for admission. For that reason, very important to check with each institution individually to find out what its admission requirements are. | 6 BI 1 Biology Read the following passage. Then fill in the diagram with the information that you read. Track 25 î Genetic code provides the basis of most physical characteristics. It determines one s gender eye color hair color and a myriad of other factors that make every person unique. Just as a computer program gives specific instructions on how the computer should act genetic codes contain instructions for ail cellular activity. In some instances however a person s genetic code can be flawed. A gene may undergo mutations for a number of reasons. This can result in a genetic disease. A genetic disease is so ingrained in a person s genetic code DNA that it cannot be cured using traditional medical methods. Doctors . cannot simply prescribe medicine or perform surgery to repair genes. Instead the genetic structure must be manipulated directly. Only with recent advances in genetic science have physicians been able to begin curing genetic diseases. Doctors can now treat a number of genetic diseases that individuals may inherit from their parents. The process however is difficult to master and continues to pose a number of problems. Perhaps more than any other medical field genetic therapy remains truly experimental. In order to alter a person s genetic code the particular gene causing the problem must first be identified. By taking tissue samples . and isolating a strand of DNA from a cell scientists can compare an individual s DNA to a normal genetic code. After the mutated portion of the DNA has been discovered scientists can go about engineering a genetic treatment to permanently fix the problem. The process is not rla0 r g boUntiess or a ChangeinThe .sfructyr T jpof g rie T -T. jTr i ffy f-niariipijiate gto aker .cbang gfolayojii. ig T Oructiori or causing disease- y-irahsfjiant g Tg a nried I cal topefation jn yyhich. a navy organ 1 placed inside a patients 9 bJdyb y epy replicate a to make an exact copy-of to reproduce -recover . to return to

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