Exam 12: DNA Technology

"Sticky ends" are produced as a result of the action of ________.

Of these steps,which occurs first in the production of a recombinant plasmid?

The diagram below summarizes ________.

Please read the following scenario and then answer the following questions. Corn crops are susceptible to damage by different species of corn borer, an insect (a type of arthropod) that feeds and lives on corn plants. It is estimated that corn borers may cause up to $1 billion of damage a year to corn crops. Because of pests like the corn borer, researchers have created genetically modified pest-resistant crops. One type of pest-resistant crop, Bt corn, expresses a bacterial toxin that kills corn borers if they consume the toxin. While Bt corn has been planted and used in the United States since 1996, some researchers and members of the public continue to worry about negative effects of the Bt toxin on other animals, including arthropods and humans. In order to investigate the effects of Bt toxins on other animals, researchers conducted experiments where they fed arthropods Bt corn or non-Bt corn. A summary of the effects of eating Bt corn on single species of corn borer, mite, and beetle are shown in the figure below. -What can you conclude from the data in the graph?

Which of these statements can be logically inferred from the amount of DNA shared by chimpanzees and humans?

Which of the following is the best definition for recombinant DNA?

The scientific field that studies complete sets of genes is called ________.

The following figure shows that gel electrophoresis can be used to separate repetitive DNA sequences.Gel electrophoresis separates DNA fragments because ________.

Scenario Questions Please read the following scenario and then answer the following questions. Molecular biologists have perfected DNA fingerprinting so that it is possible to use the technique to provide evidence to solve crimes and even identify a child's parents. Recently, a U.S. immigrant asked the U.S. Citizenship and Immigration Services for permission to have her young daughter who was living with grandparents in their homeland join her in the United States. Her request was denied because there was an apparent mix-up with the child's birth certificate and it could not be used as proof of maternity. Other forms of proof are required in cases such as this. The mother requested DNA fingerprinting to show that she was the mother of the daughter. Samples of DNA were taken from the mother (Mom) and the daughter (D) as well as from her son (S) living in the United States with her. STR analysis was run on the three samples, and the results are shown below. -STR analysis can also be used for crime scene investigations in addition to maternity testing.Suppose that the results for the Mom were found at a crime scene,that the daughter's and the son's results were from possible suspects,and that each of the DNA markers in the gel was an STR marker.Would these results be enough to convince a jury that the results from the daughter matched the crime scene DNA (Mom)?

Cutting DNA with a particular restriction enzyme produces DNA fragments that can be separated by ________.

Restriction enzymes are obtained from ________.

What evidence led to Kirk Odom's freedom after being wrongly imprisoned for 30 years?

Which of the following is a genetically modified organism?

Of the following,which is the last step in the production of a recombinant DNA plasmid?

The world's first genetically engineered pharmaceutical product was ________.

Which enzyme is used to bind DNA fragments together?

The study of the full protein sets that genomes encode is ________.

Of these steps,which one occurs earliest in the process of producing recombinant DNA?

The possibility that Mongolian ruler Genghis Khan spread an unusual chromosome to nearly 16 million men living today resulted from studies of ________.

What name is given to a region of DNA that varies from person to person?