Which mutation is most likely to become fixed? a. A neutral or nearly neutral mutation in...
Which mutation is most likely to become fixed?
a. A neutral or nearly neutral mutation in an extremely large population
b. A beneficial mutation in an extremely large population
c. A neutral or nearly neutral mutation in an extremely small population
d. A beneficial mutation in an extremely small population
Homework Answers
The correct answer is B.
Ther are greater chances of fixation of mutations which are beneficial and population size is very large. It is because natural selection favours the beneficial mutations.
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Which mutation is most likely to become fixed?
a. A neutral or nearly neutral mutation in...
1. A newly-arisen neutral mutation will become fixed in a small population compared to a large...
1. A newly-arisen neutral mutation will become fixed in a small population compared to a large population. a) faster b) slower c) it can never become fixed 2. The reason the area of the genome immediately surrounding an advantageous allele is in linkage disequilibrium. a) selective sweep b) founder effect c) genetic drift d ) selection coefficient 3. Flies A1 & A2 are genetic clones and B1 & B2 are a different set of clones. You raise Ay and By...
1. Which of the following mutations is the most likely to be neutral? A) A nonsense...
1. Which of the following mutations is the most likely to be neutral? A) A nonsense mutation in exon 5 of a gene with 39 exons. B) A splice site mutation in intron 3 of a gene with 8 introns and 9 exons. C) A single nucleotide insertion in exon 7 of a gene with 18 exons. D) A thee nucleotide deletion in exon 1 of a gene with 7 exons.
If most mutations are not strictly neutral but rather slightly deleterious, which of the following will...
If most mutations are not strictly neutral but rather slightly deleterious, which of the following will be a consequence (select all that apply) A. A larger population will result in a smaller effectively neutral mutation rate. O O B. Molecular clocks will tick more accurately when measured in substitutions per year rather than substitutions per generation. C. The level of polymorphism in natural populations could be explained by balancing selection. D. Even very large populations will have heterozygosities less than...
Which mutation is most likely to have a severe impact on the phenotype of an organism...
Which mutation is most likely to have a severe impact on the phenotype of an organism if it occurs within the first several bases of a gene coding region? A) a frameshift mutation of three nucleotides B) a missense mutation affecting one nucleotide C) a missense mutation affecting three nucleotides D) a silent mutation affecting one nucleotide E) a frameshift mutation of one nucleotide
Question 11 (1 point) Which type of mutation is the least likely to occur? a) Gain...
Question 11 (1 point) Which type of mutation is the least likely to occur? a) Gain of function mutation b) Lethal mutation. O ) Loss of function mutation. d) Neutral mutation. Question 12 (1 point) Which type of mutation is least likely to be passed on to future generations of cells? a) Gain of function mutation. b) Lethal mutation. Oc) Loss of function mutation. d) Neutral mutation. Question 13 (1 point) Which type of mutation tends to accumulate at a...
According to Fisher's geometric model: a. All mutations are random b. All mutations are neutral c....
According to Fisher's geometric model: a. All mutations are random b. All mutations are neutral c. Mutations of large effect are more likely to be beneficial than mutations of small effect d. Mutations of small effect are more likely to be beneficial than mutations of large effect e. Deleterious mutations do not occur in populations
What would be the most likely effect of a mutation in each of the following in...
What would be the most likely effect of a mutation in each of the following in an E. coli genome? (A) -8; (B) -35; (C) -20; (D) Start site.
Which combination of factors is most likely to produce a small value for the t-statistic? A)...
Which combination of factors is most likely to produce a small value for the t-statistic? A) A large difference between means and large variance within groups B) A large difference between means and small variance within groups C) A small difference between means and small variance within groups D) A small difference between means and large variance within groups
Which of the following is most likely to have the highest returns? A) Small stocks B)...
Which of the following is most likely to have the highest returns? A) Small stocks B) Inflation C) Treasury bills D) Large stocks Which assets are considered risk free? A) AAA rated bonds B) Treasury bills C) Large stocks D) Speculative bonds
Which of these is not an underlying assumption of the neutral theory? A genetic drift is...
Which of these is not an underlying assumption of the neutral theory? A genetic drift is the most important force at the DNA level B most changes in DNA that become fixed have no effect on fitness C purifying selection is rare D positive selection is rare
1. A newly-arisen neutral mutation will become fixed in a small population compared to a large population. a) faster b) slower c) it can never become fixed 2. The reason the area of the genome immediately surrounding an advantageous allele is in linkage disequilibrium. a) selective sweep b) founder effect c) genetic drift d ) selection coefficient 3. Flies A1 & A2 are genetic clones and B1 & B2 are a different set of clones. You raise Ay and By...
1. Which of the following mutations is the most likely to be neutral? A) A nonsense mutation in exon 5 of a gene with 39 exons. B) A splice site mutation in intron 3 of a gene with 8 introns and 9 exons. C) A single nucleotide insertion in exon 7 of a gene with 18 exons. D) A thee nucleotide deletion in exon 1 of a gene with 7 exons.
If most mutations are not strictly neutral but rather slightly deleterious, which of the following will be a consequence (select all that apply) A. A larger population will result in a smaller effectively neutral mutation rate. O O B. Molecular clocks will tick more accurately when measured in substitutions per year rather than substitutions per generation. C. The level of polymorphism in natural populations could be explained by balancing selection. D. Even very large populations will have heterozygosities less than...
Question 11 (1 point) Which type of mutation is the least likely to occur? a) Gain of function mutation b) Lethal mutation. O ) Loss of function mutation. d) Neutral mutation. Question 12 (1 point) Which type of mutation is least likely to be passed on to future generations of cells? a) Gain of function mutation. b) Lethal mutation. Oc) Loss of function mutation. d) Neutral mutation. Question 13 (1 point) Which type of mutation tends to accumulate at a...
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