BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 7, Problem 13WIO
Summary Introduction
To determine:
The major types of mutations that can cause an error in a gene.
Introduction:
A mutation is a change in a cell’s DNA sequence. It may occur in a gene or in a regulatory region such as a promoter. Mutations are caused by exposure to mutagens, which are harmful chemicals or radiations. For example UV-rays, X-rays, and so on.
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The table below shows different types of mutations in different positions in four genes. Choose the letter (A to E), from the
drop-down menu, that represents the most likely type of protein that will be produced from each of these mutated genes.
A: completely normal protein
B: functional protein with ONE amino acid different from normal
C: non-functional protein with ONE amino acid different from normal
D: non-functional protein with MANY amino acids different from normal
E: no protein at all
Answer
Type of mutation
Position of mutation in gene
(A, B, C, D, or E)
before the part of the gene that specifies
the active site of the enzyme
2 base pair insertion
Inonsense
immediately before the stop codon
in the part of the gene that specifies the
active site of the enzyme
silent
1 base pair insertion
in an intron
Suppose that a gene has a mutation that changes one nucleotide. Compared to the protein produced from the non-mutated gene, the protein produced from this mutated gene has one different amino acid. This newly altered protein provides enhanced resistance to tetracycline (an antibiotic). This type of mutation would be classified as a
Define these types of mutation:
Inversion
Insertion
Translocation
Deletion
Duplication
Chapter 7 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 7.1 - Prob. 1MCCh. 7.1 - Prob. 2MCCh. 7.2 - Prob. 1MCCh. 7.2 - Prob. 2MCCh. 7.2 - Prob. 3MCCh. 7.3 - Prob. 1MCCh. 7.3 - Prob. 2MCCh. 7.3 - Prob. 3MCCh. 7.3 - Prob. 4MCCh. 7.3 - Prob. 5MC
Ch. 7.4 - Prob. 1MCCh. 7.4 - Prob. 2MCCh. 7.4 - Prob. 3MCCh. 7.5 - Prob. 1MCCh. 7.5 - Prob. 2MCCh. 7.5 - Prob. 3MCCh. 7.5 - Prob. 4MCCh. 7.5 - Prob. 5MCCh. 7.6 - Prob. 1MCCh. 7.6 - Prob. 2MCCh. 7.6 - Prob. 3MCCh. 7.7 - Prob. 1MCCh. 7.7 - Prob. 2MCCh. 7.7 - Prob. 3MCCh. 7.7 - Prob. 4MCCh. 7.8 - Prob. 1MCCh. 7.8 - Prob. 2MCCh. 7.8 - Prob. 3MCCh. 7.8 - Prob. 4MCCh. 7.8 - Prob. 5MCCh. 7.9 - Prob. 1MCCh. 7.9 - Prob. 2MCCh. 7.10 - Prob. 1MCCh. 7.10 - Prob. 2MCCh. 7 - If one strand of DNA has the sequence ATTGTCC,...Ch. 7 - Transcription copies a _____ to a complementary...Ch. 7 - Prob. 3MCQCh. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - At which stage in viral replication does the...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 1WIOCh. 7 - Prob. 2WIOCh. 7 - Prob. 3WIOCh. 7 - Prob. 4WIOCh. 7 - Prob. 5WIOCh. 7 - Prob. 6WIOCh. 7 - Prob. 7WIOCh. 7 - Prob. 8WIOCh. 7 - How many codons are in the mRNA molecule that you...Ch. 7 - Prob. 10WIOCh. 7 - Prob. 11WIOCh. 7 - Prob. 12WIOCh. 7 - Prob. 13WIOCh. 7 - Prob. 14WIOCh. 7 - Prob. 15WIOCh. 7 - Prob. 16WIOCh. 7 - Prob. 17WIOCh. 7 - Prob. 18WIOCh. 7 - Prob. 19WIOCh. 7 - Prob. 20WIOCh. 7 - Prob. 21WIOCh. 7 - Prob. 1SLCh. 7 - Prob. 1PITCh. 7 - Where do promoters, terminators, stop codons,...Ch. 7 - Prob. 3PITCh. 7 - Review the Survey the Landscape figure in the...
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- A neutral mutation is, by definition, a mutation that does not result in the change of the encoded amino acid sequence of a gene. 1)True 2)Falsearrow_forwardExplain how a mutagen can interfere with DNA replication to cause a mutation. Give two examples.arrow_forwardTwo types of mutations discussed in this chapter are 1) nucleotide changes and 2) unstable genome regions that undergo dynamic changes. Describe each type of mutation.arrow_forward
- Two types of mutations are (1) nucleotide changes and (2) unstable genome regions that undergo dynamic changes. Describe each type of mutation.arrow_forwardDescribe in detail three spontaneous lesions that can lead to mutations. Give examples.arrow_forwardKarenca was studying her genetics notes the night before the test. She was getting a little turned around with the differences between DNA and RNA. She started working a problem that gave a segment of original DNA as follows: ТА Then, the problem said that original DNA was mutated to become: TAG Use the codon table to help Karenca determine whether or not this mutation will cause a change in the phenotype (what the organism looks like) of the organism. * Even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur. Yes, the phenotype of the organism would change because a new amino acid will be coded for. Yes, the phenotype of the organism would change because any change in the DNA sequence will cause a change in phenotype. It is impossible to determine if a change in phenotype will occur using only the DNA sequence.arrow_forward
- Discuss the consequences of a germ-line versus a somatic mutation.arrow_forwardWhich of the following types of physical mutagens produces thymine dimmer mutations? A- gamma rays B- X-rays C- ionizing radiation D- ultraviolet light E- microwavearrow_forwardExposure to various chemicals can cause DNA mutations. Classify the examples as representative of transition, transversion, or nsertion/deletion mutations. Transition replacement of T:A: with C:G treatment with nitrogen mustard causes this type of mutation oxidative deamination via nitrous acid causes this type of mutation treatment with 5-bromouracil causes the replacement of A:T with G:C Transversion replacement of G:C with T:A Answer Bank Insertion/Deletion the removal of one or more base pairs treatment with proflavin causes this type of mutationarrow_forward
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