Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 27.7, Problem 1COMQ
The mutation rate is
a. the likelihood that a new mutation will occur in a given gene.
b. too low to substantially change allele frequencies in a population.
c. lower for mutations that create beneficial alleles.
d. All of the above are true of the mutation rate.
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Students have asked these similar questions
Which of the following is not true of a single nucleotide polymorphism?a. It is usually caused by a translocation mutation.b. It is usually caused by a nucleotide substitutionmutation.c. It may change the phenotype of an organism.d. It is inherited from parent to offspring.
What happens to an organism (plant, animal, or microorganism) during genetic modification?
A. Fewer desirable genes are transferred to a new species.
B. Genes are removed from one organism and transferred to another.
C. Plants or animals are given traits that they typically have.
D. All of the above
Define gene mutation
Group of answer choices
A. the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
B. the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population
C. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
D. A rare and random change in a gene that can be bad or benef icial depending on the environment .
Chapter 27 Solutions
Genetics: Analysis and Principles
Ch. 27.1 - A gene pool is a. all of the genes in a single...Ch. 27.1 - 2. In natural populations, most genes...Ch. 27.1 - A gene exists in two alleles designatedDandd. If...Ch. 27.1 - Prob. 4COMQCh. 27.2 - Which of the following is a factor that, by...Ch. 27.3 - 1. Darwinian fitness is a measure...Ch. 27.3 - 2. Within a particular population, darkly colored...Ch. 27.3 - 3. A population occupies heterogeneous...Ch. 27.3 - Prob. 4COMQCh. 27.4 - 1. Genetic drift is
a. a change in allele...
Ch. 27.4 - 2. Which of the following influences on genetic...Ch. 27.5 - Gene flow depends on a. migration. b. the ability...Ch. 27.6 - 1. Inbreeding is sexual reproduction between...Ch. 27.7 - The mutation rate is a. the likelihood that a new...Ch. 27.7 - 2. The transfer of an antibiotic resistance gene...Ch. 27.7 - Prob. 3COMQCh. 27 - 1. What is the gene pool? How is a gene pool...Ch. 27 - Prob. 2CONQCh. 27 - Prob. 3CONQCh. 27 - Prob. 4CONQCh. 27 - The termpolymorphismcan refer to both genes and...Ch. 27 - Prob. 6CONQCh. 27 - For a gene existing in two alleles, what are the...Ch. 27 - 8. In a population, the frequencies of two...Ch. 27 - The ability to roll your tongue is inherited as a...Ch. 27 - What evolutionary factors can cause allele...Ch. 27 - What is the difference between a neutral and an...Ch. 27 - Prob. 12CONQCh. 27 - Prob. 13CONQCh. 27 - Describe the similarities and differences among...Ch. 27 - 15. Is each of the following examples due to...Ch. 27 - Prob. 16CONQCh. 27 - Prob. 17CONQCh. 27 - 18. A group of four birds flies to a new location...Ch. 27 - 19. Describe what happens to allele frequencies as...Ch. 27 - With regard to genetic drift, are the following...Ch. 27 - When two populations frequently intermix due to...Ch. 27 - Two populations of antelope are separated by a...Ch. 27 - Prob. 23CONQCh. 27 - 24. Using the pedigree shown here, answer the...Ch. 27 - A family pedigree is shown here. A. What is the...Ch. 27 - 26. A family pedigree is shown here.
A. What is...Ch. 27 - Prob. 27CONQCh. 27 - Prob. 28CONQCh. 27 - 1. You will need to be familiar with the...Ch. 27 - You will need to refer to question 2 in More...Ch. 27 - Prob. 3EQCh. 27 - Prob. 4EQCh. 27 - You will need to refer to question 2 in More...Ch. 27 - Prob. 6EQCh. 27 - Prob. 7EQCh. 27 - In the Grants study of the medium ground finch, do...Ch. 27 - 9. A recessive lethal allele has achieved a...Ch. 27 - Among a large population of 2 million gray...Ch. 27 - In a donor population, the allele frequencies for...Ch. 27 - Prob. 12EQCh. 27 - Prob. 13EQCh. 27 - Prob. 14EQCh. 27 - 15. What would you expect to be the minimum...Ch. 27 - Discuss examples of positive and negative...Ch. 27 - Discuss the role of mutation in the origin of...Ch. 27 - Prob. 3QSDC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Are the following examples a description of genetics at the molecular, cellular, organismal, or populational level? A. People with cystic fibrosis have lung problems due to a buildup of mucus in their lungs B. The mutant CF gene encodes a chloride transporter that doesn't transport chloride ions very well. C. A defect in the chloride transporter causes a salt imbalance in lung cells.arrow_forwardWhich of the following is false? a. The color of a fruit fly's eyes is a trait. b. The instructions for producing a trait are found in a gene that controls the physical expression of that trait. c. A gene can have different alleles that can specify different traits, such as red or brown eye color. d. The trait is influenced by the gene, independent of the environment. e. By studying the patterns of traits over generations of an organism, the genetic composition of an organism can be deduced.arrow_forwardGive an example of a benefit of genetic engineering to society anda possible adverse outcome. Discuss.b. Give an example of an ecological benefit and a possible adverseside effect. Discuss.arrow_forward
- Which letter is correct A. Genetic engineering is preferred because a desired gene to crops may not exist in their species, so conventional agriculture could not be applied. B. Conventional agriculture is preferred because they're natural, and don't have interference in their genome, so they're healthier. C. Genetic engineering is preferred because through it, we can create new species of plants resistant to pests. D. Conventional agriculture is preferred because they produce more crop compared to genetic modifications.arrow_forwardWhen using gene therapy to treat an hereditary disease, the idea is to: A. Introduce the correct gene into the patient's DNA B. Inject the patient with a specific protein to cure the disease. C. Blood transfusions from healthy individuals. D. ntroduce mRNA molecules with the correct genetic information to the patient. E. Introduce a virus to the patient that will specifically destroy mutated cells.arrow_forwardWhich of the following is a characteristic of mutations in DNA? Select one: O a. They result in different versions of a gene within the population. O b. They are usually expressed and result in positive changes for the individual. O c. They usually occur at very high rates in most genes Od. Those that occur in the body cells of a parent are usually passed on to their children. Oe. They are always expressed and cause significant problems for the individual. MacBook Pro G Search or type URL (IIarrow_forward
- A nerve cell and a skin cell from the same person have Group of answer choices A. different gene expression B. different versions of genes C. same gene expression D. none of the above E. different genesarrow_forwardForward mutations A change a wild-type allele to a different allele. B changes and mutant allele back to wild-type. C causes no change in phenotype. D none of the abovearrow_forwardWhen a population is in mutational equilibrium, which of the following is true?a. The number of forward mutations is greater than the number of reverse mutations.b. No forward or reverse mutations occur.c. The number of forward mutations is equal to the number of reverse mutations.d. The population is in Hardy–Weinberg equilibrium.arrow_forward
- Which of the following is the definition of the term named Genes? a.Refers to genes that have identical alleles b.Genetic constitution of an organism c.Alternative form of a gene d.Trait expressed in the F1 generation e.Fundamental physical and functional unit of heredity f.Physical expression of traits of an organismarrow_forwardCertain species of blind fish living in perpetual darkness in the ocean depths have evolved from ancestors that could see. Research indicates that the brain centers for vision in these fish is degenerating, whereas the brain centers controlling other senses are enlarging. What might be the MOST probable reason for the loss of vision in these fish? O A. exposure to mutagens that caused the loss of vision B. progressive selection of genetic variants in the population leading to blindness as an evolutionary adaptation C. infection by cave-dwelling microorganisms that has led to degeneration of the eyes O D. extreme high pressure at the ocean depths causing a deterioration of visionarrow_forwardIn order to perform mutation on an organism, we need: 1. A mutation probability - usually a "small" value 2. A crossover point 3. The number of organisms in the population 4. Both a and barrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY