1. Mutations that drive evolution and genetic diversity among organisms are either neutral or beneficial mutations. II. Mutations that have beneficial effects on the organism are most likely to spread within the population Evaluate whether the statements above are correct or incorrect, and type the letter of your answer on the space provided. Write the capital letter corresponding to your choice. A- Only the first statement is correct. B - Only the second statement is correct. C Both the first and the second statements are correct. D Both the first and second statements are incorrect.

1. Mutations that drive evolution and genetic diversity among organisms are either neutral or beneficial mutations. II. Mutations that have beneficial effects on the organism are most likely to spread within the population Evaluate whether the statements above are correct or incorrect, and type the letter of your answer on the space provided. Write the capital letter corresponding to your choice. A- Only the first statement is correct. B - Only the second statement is correct. C Both the first and the second statements are correct. D Both the first and second statements are incorrect.

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Description: 1 1. Mutations that drive evolution and genetic diversity among organisms are either neutral or beneficial mutations.II. Mutations that have beneficial effects on the organism are most likely to spread within the populationEvaluate whether the statem

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter10: Biotechnology

Section: Chapter Questions

Problem 9RQ: What kind of diseases are studied using genome-wide association studies? a. viral diseases b....

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ANSWER THE FOLLOWING I. a. What is genetic engineering? b. Compare classical breeding with modern genetic engineering. c. Describe some methods to introduce DNA into cells II a. List down at least 2 different traits that can be introduced to organisms to change their properties and give examples of modified traits using cloned genes and their and their applications. III a. Summarized the sequence of the periods in the geologic time scale. Include the major events and the characteristics of the major groups of organisms present during a time period. b. Identify what are the type of fossils. c. What are the causes of mass extinctions?
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Answer the table below (this is about Genetic Engineering). 1. How organisms may be modified? 2. Enumerate plants and animals that have desirable or enhanced traits and how each of the traits was introduced or developed. Modifying Technique ex. Classical Breeding, Recombinant DNA Technology. ENHANCED TRAIT MODIFYING TECHNIQUE Example: Flavr- Savr ( Delayed Ripening Tomatoes Recombinant DNA Technology 1. 1. 2. 2. 3. 3. 4. 4. 5. 5.
12. Scientists may design an experiment with a control group, which is a set of organisms or sam- ples that do not receive the treatment (the independent variable) that is being tested. Scientists can then compare normal changes in organisms or samples with those that may have occurred because of the treatment. The idea of a control group is not the same as a controlled variable. Suppose a scientist is doing an experiment to determine the effect of an all-organic diet on the occurrence of cancer in rats. a. What variables should the scientist control in the experiment? b. Describe the control group for this experiment. c. Why is it important for a scientist to use a control group when working with organisms in an experiment?
The organizations whose genetic material has been altered using genetic engineering is called as- A. Genetically mutant organisms B.Genetically modern organisms C.genetically modified organisms D.Genetically transferred organisms
List the agents in the environment that can change DNA or increase the frequency of mutations. 2. Define mutation. 3. Define a Point mutation and give an example. 4. What is sickle cell anemia and what causes it. 5. What is nondisjunction? How does nondisjunction cause disorders? 6. What is Gene translocation? 7. Would a mutation in one of your muscle cells affect your offspring? Why or why not? 8. What 3 things can individuals do to protect themselves from developing mutations?
7) Horizontal gene transfer could be considered a type of interbreeding and thus the biological species concept works well for bacteria (true or false)
1. You are working as a CSI analyst. You collected DNA at a crime scene that is from the suspect but do not have enough to run a test to determine who the suspect is. Please discuss what you would do to attain more of the DNA and how to test the DNA to determine who the suspect is.2. Please discuss how the bacterium Agrobacterium tumefaciens normally functions. Please also discuss how this bacterium can be used to help plants attain genes to help fight off insects and herbicides.
1. Give two (2) examples of mutations (plants, animals or man) which are striking proofs that species do change.
. 1 · | 2. L 3 | 4 | . 5 6 7 Direction: Encircle the letter of the correct answer . 1. It is a double-stranded , self replicating, circular DNA molecule present in bacteria which is widely used as a gene cloning vector. A. Cosmid B. Plasmid. C. Phagemid. D. Genome 2. In plant genetic engineering, which of the following acts as vector? B. Gene of interest D. Ti-plasmid А. Agrobacterium lumefaciens. Receipt plant cell. Which of the following illustrates breeding? A farmer choose a breed of cow for greater milk production The use of bacteria in order to produce human insulin. The insertion of cloned genes to plant cells. All of the above. 3. А. В. С. D. Being pest resistance is one of the traits that are being introduced to plants like corn and eggplant with the insertion of Bt-toxin gene to plant cell. What method is use when a gene is inserted to plants? A. Biolistic C. Plasmid insertion by heat shock treatment 4. B. Electroporation D. All of these 5. A biotechnologist wants to enhance…
1pt A geneticist is comparing a sequence of nitrogen bases from a child's DNA to the same sequence in his father's DNA. The DNA sequences are shown below.. Use the evidence to determine whether a mutation has occurred in the child's DNA, and if so, interpret that mutation. Father's DNA: GGCTATC; Child's DNA: GGCTATC O A. No mutation has occurred to the DNA sequence. O B. A nitrogen base has been deleted from the DNA molecule. O C. A nitrogen base has replaced another nitrogen base in the DNA molecule. O D. A nitrogen base has been added to the DNA molecule.