In a DNA study, from a patient with mental retardation, the FMR1 gene is located, which causes many repetitions of mutations in the X chromosome. This type of mutation is a. ionic b. chromosomal c. induced d. knitted

In a DNA study, from a patient with mental retardation, the FMR1 gene is located, which causes many repetitions of mutations in the X chromosome. This type of mutation is a. ionic b. chromosomal c. induced d. knitted

Name: 1. In a DNA study, from a patient with mental retardation, the FMR1 ge
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Description: 1. In a DNA study, from a patient with mental retardation, the FMR1 gene is located, which causes many repetitions of mutations in the X chromosome. This type of mutation is a. ionic b. chromosomal c. induced d. knitted

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter18: Dna Technologies: Making And Using Genetically Altered Organisms, And Other Applications

Section: Chapter Questions

Problem 7TYK: Which of the following is not true of somatic cell gene therapy? a. White blood cells can be used....

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7. Scientists studying the genetics of a congenital discase analyzed the chromosomes of the patient and found a large portion of chromosome twenty-three in 188 Chapter 3. Gene expression and protein synthesis chromosome one, and a small part of chromosome one in chromosome twenty- three. What type of mutation is this? To answer the question, please explain: 1) what the mutation is? 2) what types of mutation do you know?
10. A. In each human female cell, either the maternal or paternal X chromosomes is turned off by the activation of the XIST gene and by adding methyl groups to the chromosome. What do we call the inactivated X chromosome? B. How many Barr bodies does a normal male have? C. If a phenotypic male has a Barr body, then what does this tell you about his chromosomes? D. If a phenotypic female does not have a Barr body, then what does this tell you about her chromosomes? E. Barr bodies are formed during embryonic development when the human embryo is a small ball of cells. Once an X chromosome is turned off in a cell, every descendent of that cell will have the same X chromosome turned off. This results in human females being a mosaic of two kinds of cells. What does the word mosaic mean in this case?
25. Dylan Mortimer an artist struggled with Cystic fibrosis a disease causes the body to produce thick mucus. In his lungs and digestive system. At genetic level, which of the following is the cause of Cystic fibrosis? * a. Distortion of cells b. Mutation in single gene c. Increase in number of p53 cells d. Insufficient number of nitrogenous bases
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?
14. The gene frequency between genes are as follows: d and e is 12%; e and f is 6%; f and d is 3%; d and g is 7%; e and g is 22%; and f and g is 12%. What is the sequence of the genes in a chromosome? A. efdg B. fgde C. egfd D. edgf
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.
1. An alternative form of a gene is called an
1. After exposure to a mutagen an A-T base pairing becomes T-A in the daughter cell. This is an example of: A. Transition B. Transversion C. Transport D. Transfection 2. A mutation in the promoter region of a gene would be expected to be: A. Activating B. Cis-acting C. Null D. Trans-acting 3. A locus can be best defined as: A. A region within a chromosome containing multiple genes B. The genetic position of a mutation C. A type of insect that eats crops D. The location of a gene within the chromosome 4. Which of the following events is not possible in a living cell: A. Information in RNA to be copied into DNA B. Information in DNA to be copied into RNA C. Information in RNA to be copied into a polypeptide D. Information in a polypeptide to be copied into RNA 5. The enzymes that control DNA supercoiling by introducing nicks in one strand are known as: A. DNA polymerases B. Topoisomerases C. Restriction enzymes D. RNA polymerases 6. A null mutation is best defined as one that results in…
18) MUTATIONS: A. Explain the difference between a point mutation and a frameshift mutation. B. Explain how the mutation (both a point mutation and frameshift mutation) might impact the production of proteins. C. Name one type of chromosome mutation and explain what it is.
1. Suggest reasons for why DNA mutations are not all phenotypic. 2. A mutant bacteria has been found which lacks all DNA methylation enzymes. How would this mutation affect the fidelity of mismatch repair?
2. Identify the following: a. the original cell that produces new cells through mitosis or meiosis b. a group of four chromosomes that takes part in meiosis c. the sex cell produced by the male d. a unit of DNA that determines a specific hereditary trait in an organism; comes in pairs e. a twisted and coiled strand of DNA within the nucleus that carries the codes for reproductive traits such as eye and hair color f. the process through which organisms produce offspring; creation of a new individual g. the creation of a new cell or organism identical to the parent; does not involve the union of sex cells h. the cell part that holds the chromosomes and DNA that controls all cell activities i. one of the two cells created when a parent cell divides through mitosis j. a thin wall or covering that surrounds the nucleus of the cell
1. A second site mutation within a single gene that reverts the gene back to its wild type phenotype Group of answer choices a. Intergenic Recombination b. Intragenic Recombination c. Intergenic Reversion d. Intragenic Reversion