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- 1. Through observing the sequence of events (A → B → C → D) found below, describe how reproductive cloning is made possible. Your response should consist of 3—5 complete sentences. SENTENCE STARTER: The process of cloning may look quite tricky, but it can actually be broken down into 4 individual steps. In step A, the cells of the organism we want to be cloned are isolated and the… 2. What is an ADVANTAGE of engaging in cloning practices similar to the one highlighted above? What reason might a farmer, livestock owner, or someone else use as justification for cloning? 3. What is a DISADVANTAGE (or potential drawback) of cloning plants, livestock, or pets?What is the role of Agrobacterium tumefaciens in the production of transgenic plants?a. Genes from A. tumefaciens are inserted into plant DNA to give the plant different traits.b. Transgenic plants have been given resistance to the pest A. tumefaciens.c. A. tumefaciens is used as a vector to move genes into plant cells.d. Plant genes are incorporated into the genome of Agrobacterium tumefaciens4. 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 B. Electroporation C. Plasmid insertion by heat shock treatment D. All of these 5. A biotechnologist wants to enhance the size of duhat fruit because research shows that it can lower blood sugar but is very expensive in the market. What could be the possible source of organism which contains the gene that is responsible for the development of large fruits.?A. Lanka. B. Chico. C. Strawberry D. Mango 6. Why genetic engineering. Is beneficial to the society?A. It improves crops variety to meet the demand of increasing human populations.B. Production of human protein using bacteria is a great leap in the field of medicine.C. Transgenic plants and transgenic animals play a great role in our economic aspect.D. All of the above
- 4. 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 B. Electroporation C. Plasmid insertion by heat shock treatment D. All of these 5. A biotechnologist wants to enhance the size of duhat fruit because research shows that it can lower blood sugar but is very expensive in the market. What could be the possible source of organism which contains the gene that is responsible for the development of large fruits.?A. Lanka. B. Chico. C. Strawberry D. Mango1.Discuss how PCR may be used for the detection of disease-causing pathogens in a population during the COVID Pandemic. For example: it may be used to check if a patient has a COVID virus infection. 2. Discuss how the cloning and expression of certain genes allows for massive production of the desired product. For Example: the cloning and expression of insulin in bacteria allows for the mass production of this necessary protein for use by diabetic patients.1. Illustrate the steps in restriction digestion and PCR 2.Discuss how PCR may be used for the detection of disease-causing pathogens in a population during the COVID Pandemic. For example: it may be used to check if a patient has a COVID virus infection. 3. Discuss how the cloning and expression of certain genes allows for massive production of the desired product. For Example: the cloning and expression of insulin in bacteria allows for the mass production of this necessary protein for use by diabetic patients.
- 1. A patient has a mutated BRCA2 gene and a normal BRCA1 gene. Select the TWO answers that are correct. The patient has an increased risk of developing ovarian or breast cancer than a patient with normal BRCA1 and BRCA2 genes. The patient has a lesser risk of developing ovarian or breast cancer than a patient with normal BRCA1 and BRCA2 genes. The patient has a lesser risk of developing ovarian or breast cancer than a patient with a normal BRCA2 gene and a mutated BRCA1 gene. The patient has a greater risk of developing ovarian cancer and a lesser risk of developing breast cancer than a patient with normal BRCA1 and BRCA2 genes. The patient has a greater risk of developing breast cancer and a lesser risk of developing ovarian cancer than a patient with normal BRCA1 and BRCA2 genes.1) A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors. All BUT ONE of the statements below correctly describes or explains genetic mutations. A) Mutation can disrupt normal cell activity and cause diseases, like cancer. B) Mutations in parents' cells are then passed down to offspring via reproduction. C) Our cells can recognise any potentially mutation-causing damage and repair it before it permanent. D) Mutations can occur as the result of exposure to environmental factors such as smoking, toxins and radiation.The results of the treatment of 20 boys with SCID-X1 showed that ____. a. the “treatment” caused numerous unforeseen complications. b. a bone marrow transplant can cure SCID-X1 c. SCID-X1 can be cured through genetic engineering d. none of those treated were cured of the disease e. our understanding of the human genome exceeds our ability to modify it
- Which of the following is not true of somatic cell gene therapy? a. White blood cells can be used. b. Somatic cells are cultured, and the desired DNA is introduced into them. c. Cells with the introduced DNA are returned to the body. d. The technique is still very experimental. e. The inserted genes are passed to the offspring.Hox genes are activated in specific regions of the body (e.g. back of the head) and activate other genes to build specific structures in those regions. This was largely discovered by looking at the effects of mutants of the various hox genes. What other technique would provide information on the action of hox genes? Group of answer choices A. copy hox genes and place them in bacteria B. copy hox genes and place them in plants C. completely remove all hox genes from the genome D. change the control of hox genes so that they are expressed in different body regions E. reverse the order of the hox genes on the chromosome1a) Why is it possible for you to study the eye colour gene by extracting cheek cells? a. Because the nucleus of every cell in the human body contains the same genetic information. b. Because the cheek cells are located near the cells of the eye and so they are able to exchange DNA. c. Because all genes in the human body are expressed at all times so it is easy to study them. d. All of the above are possible explanations. 1b) What is the purpose of heating the sample to 75°C following addition of the 0.2M NaOH solution? a. To denature the histone proteins that are keeping the DNA tightly coiled. b. To ensure that all the DNA is removed from the swab in preparation for PCR. c. To breakdown the cheek cell membrane to release the DNA from the cell. d. It breaks down the circular DNA down into linear fragments so that they will be easier to visualize.i