Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 20.3, Problem 1COMQ
Which of the following types of transposable elements rely on an RNA intermediate for transposition?
a. Insertion elements
b. Simple transposons
c. Retrotransposons
d. All of the above
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Chapter 20 Solutions
Genetics: Analysis and Principles
Ch. 20.1 - 1. Homologous recombination refers to the exchange...Ch. 20.1 - During the molecular process of homologous...Ch. 20.1 - 3. A key difference between the original Holliday...Ch. 20.1 - Which of the following mechanisms can cause gene...Ch. 20.2 - 1. During site-specific recombination that occurs...Ch. 20.2 - Prob. 2COMQCh. 20.3 - Which of the following types of transposable...Ch. 20.3 - Prob. 2COMQCh. 20.3 - Prob. 3COMQCh. 20 - 1. Describe the similarities and differences...
Ch. 20 - Prob. 2CONQCh. 20 - 3. Which steps in the double-strand break model...Ch. 20 - Prob. 4CONQCh. 20 - Prob. 5CONQCh. 20 - Prob. 6CONQCh. 20 - Prob. 7CONQCh. 20 - 8. What is gene conversion?
Ch. 20 - Make a list of the differences between the...Ch. 20 - Prob. 10CONQCh. 20 - Prob. 11CONQCh. 20 - 12. According to the double-strand break model,...Ch. 20 - What type of DNA structure is recognized by RecG...Ch. 20 - Briefly describe three ways that antibody...Ch. 20 - 15. Describe the functions of the RAG1 and RAG2...Ch. 20 - According to the scenario shown in Figure 20.7,...Ch. 20 - Prob. 17CONQCh. 20 - Prob. 18CONQCh. 20 - 19. Why does transposition always produce direct...Ch. 20 - 20. Which types of TEs have the greatest potential...Ch. 20 - Prob. 21CONQCh. 20 - 22. Let’s suppose that a species of mosquito has...Ch. 20 - This chapter describes different types of TEs,...Ch. 20 - Prob. 24CONQCh. 20 - Prob. 25CONQCh. 20 - 26. What is the difference between an autonomous...Ch. 20 - 1. Briefly explain how McClintock determined that...Ch. 20 - The work of McClintock showed that the presence of...Ch. 20 - 3. In your own words, explain the term transposon...Ch. 20 - Prob. 4EQCh. 20 - 5. Gerald Rubin and Allan Spradling devised a...Ch. 20 - Make a list of the similarities and differences...Ch. 20 - Prob. 2QSDCCh. 20 - Prob. 3QSDC
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- Describe the following a. Core enzyme RNA polymerase b. Sigma factor c. Promoter consensus sequence d. Rho Dependent Factor e. Intrinsic Factor f. Abortive Initiationarrow_forwardThe mature m-RNA is capped by which of the following heterocyclic bases (or which of the following heterocyclic bases are present on the cap of a mature m-RNA? a. 5-methylcytosine b. 5-methyguanine c. 7-methylguanine d. 7-methylcytosinearrow_forwardComplete the following sentence: Transcription of DNA by RNA polymerase II synthesises microRNA precursor transcript in: A. either the 3′ to 5′ direction or the 5′ to 3′ direction depending on the orientation of the gene B. a discontinuous fashion. C. the 3′ to 5′ direction. D. both the 3′ to 5′ direction and the 5′ to 3′ direction simultaneously E. the 5′ to 3′ direction.arrow_forward
- Consider this sequence below: GAG TAC ACG AGT GGA Which of the following options is an example of a non-synonymous point mutation? (remember to translate to mRNA!) A. GAG TAC AAT CGA GTG GA B. GAG TAC ACG GGT GGA C. GAG TAC A–G AGT GGA D. GAG TAC ACG AGA GGAarrow_forwardWhich of the following statements is/are TRUE for transcription? A. RNA polymerase uses one strand of DNA, the antisense strand, for RNA synthesis. B. The first ribonucleotide binds to the Pribnow region. C. RNA polymerase moves from 5’ → 3’, while the RNA polymerization is from 3’ → 5’. D. All four ribonucleoside monophosphates are required.arrow_forwardDefine the following terms: a. promoter b. consensus sequence c. operon d. chromatin-remodeling complex e. general transcription factorsarrow_forward
- Identify the best match between the mutation description and term. a. Transversion: results in a change in single nucleotide from a purine to another purine or a pyrimidine to another pyrimidine b. Nonsense mutation: a change in the DNA that changes the codon code from one amino acid to another amino acid c. Missense mutation: causes a drastic change in phenotype because the change causes a premature stop in the amino acid sequence d. Indel: has the potential to cause large changes in transcription and subsequence amino acid sequence due to reading frameshiftsarrow_forwardIn the triplet-binding assay of Nirenberg and Leder, an RNA triplet composed of three bases was able to cause the a. translation of a polypeptide. b. binding of a tRNA carrying the appropriate amino acid. c. termination of translation. d. release of the amino acid from the tRNA.arrow_forwardGiven is the 30 nucleotides in the human gene for hemoglobin (the oxygen-carrying protein in the red blood cells): 5’ TAC-CAC-GTG-GAC-TGA-GGA-CTC-CTC-TTC-AGA 3’ a. What is the complementary strand? b.Deduce the mRNA in this coding region. c.What is the amino acid sequence based on this mRNA? d. A very important mutation in human hemoglobin occurs in this DNA sequence, where the T at nucleotide 20 is replace with an A. The mutant hemoglobin is called sickle cell hemoglobin and is associated with severe anemia. What is the amino acid replacement that results in sickle-cell hemoglobin?arrow_forward
- Given is the 30 nucleotides in the human gene for hemoglobin (the oxygen-carrying protein in the red blood cells): 5’ TAC-CAC-GTG-GAC-TGA-GGA-CTC-CTC-TTC-AGA 3’a. What is the complementary strand?b. Deduce the mRNA in this coding region.c. What is the amino acid sequence based on this mRNA?d. A very important mutation in human hemoglobin occurs in this DNA sequence, where the T at nucleotide 20 is replace with an A. The mutant hemoglobin is called sickle cell hemoglobin and is associated with severe anemia. What is the amino acid replacement that results in sickle-cell hemoglobin?arrow_forwardWhich of the following is an RNA processing event that increases the number of potential polypeptides that can be encoded by a single gene. a. transcription b. alternative splicing c. alternative transcription d. polyadenylationarrow_forwardWhich of the following statements below is incorrect? * A. the genetic code is overlapping B. the genetic code is universal C. degenerate codon specify the same amino acids D. the genetic code is triplet Which protein can break covalent bond? * A. Helicase B. Primase C. SSB D. DNA gyrase What is the complementary hnRNA base sequence produced from the DNA base sequence 5' C-T-A-T-A-C 3'? * A. 3' C-A-T-A-T-C 5' B. 3' G-A-T-A-T-G 5' C. 3' G-A-U-A- U-G 5' D. 3' C-U-A-U-A-G 5' Which of the following statements concerning the " cloverleaf" shape of tRNA molecules is correct? * A. four hairpin loops are present B. three hairpin loops and one open end are present C. two hairpin loops and two open ends are present…arrow_forward
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