Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 10, Problem 2MC
Summary Introduction
Introduction:
Mutations are minute changes in the DNA sequence of a gene that can bring about significant variations.
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Which of the following statements about genes is incorrect?
Select one:
O a. During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg.
b. Genetic differences can result from changes in the DNA called mutations.
O c. Genes correspond to segments of DNA.
d. Under normal circumstances, each chromosome contains precisely one gene.
e. Many genes contain the information needed for cells to synthesize enzymes and other proteins.
Which of the following statements best describes the outcome of a mutation?
a.
A mutation always results in a mutant genotype
b.
A mutation always results in a mutant karyotype
c.
A mutation always results in a mutant phenotype
d.
A mutation always results in a mutant protein
Which of the following is NOT true about mutations?
A. Mutations can be harmful but not beneficial to the cell
B. Nucleotide substitution in DNA can cause nonsense mutations
C. Nucleotide substitution in DNA can cause missense mutations
D. Mutagens increase the rate of mutation, but mutations are still random
E. Nucleotide insertion or deletion in DNA can cause frameshift mutations
Chapter 10 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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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
- Which statement(s) below regarding DNA mutations is true: A. Mutations only occur in genes B. Mutations always result in phenotypic alterations C. Mutations are only induced by extrinsic (environmental) factors D. Mutations can occur in promoters E. Point mutations can be caused by transposons or “jumping genes”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_forwardWhich of the following terms refer to the case when a mutation results in a significant decrease or a complete loss of the functional activity of a gene product? a. gain-of-function mutation b. loss-of-function mutationarrow_forward
- Which of the following types of mutations will have the most devastating effect on a cell?A.frameshift mutationB. missense mutationC. nonsense mutationD. silent mutationarrow_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 good definiton of "mutation."A. A change in the nucleotide sequence of a gene.B. A change that produces a mutant protein.C. A change that creates a disease.D. A change in the structure of a triglyceride.E. All of the above. Pls explain each choicesarrow_forward
- 5) Mutations that confer no apparent selective advantage or disadvantage in a particular environment are said to be a.These types of mutations cannot be classified. b.stabilizing c.non-functional d.deleterious e.selectively neutralarrow_forwardWhich of the following statements best describes the effect of mutations in DNA? A Mutations result in changes that can be positive, be negative, or have no consequences B Mutations result in changes that always have negative consequences C Mutations result in changes that cannot be detected unless it is revealed by genetic screening D Mutations result in changes that have no consequencesarrow_forwardA student reads that deer mice that migrated to the hills of Nebraska originally had dark colored coats. Over many years, due to a mutation, the coat color of the mice changed to a lighter color to blend in easily with the sand. Which argument summarizes the mutation in deer mice? O Itis a harmful mutation as it caused a change in the original coat color of mice. O It is a beneficial mutation as it helped the mice survive in their new surroundings. O It is a neutral mutation as the change in coat color did not affect any body functions in the mice, and only helped the survival of the deer mice living in Nebraska. O Itis a neutral mutation as only the deer mice living in Nebraska were affected, and all other populations were unaffected. hp 女 -> Ce esc & % 8 3 4arrow_forward
- Which of the following is an example of a somatic mutation? a. A mutation in an embryonic muscle cell b. A mutation in a sperm cell c. A mutation in an adult nerve cell The somatic cells are all cells of the body excluding the d. Both a and c are examples of somatic mutations.arrow_forwardSelect the TRUE statement about genetic engineering?" A. The process of direct manipulating of an organism's genes using biotechnology. B. The manipulation of organisms or their components to make useful products. C. Utilizing the natural biological processes of the existing living systems. D. The process of transferring genetic traits through cross-breeding.arrow_forwardThe genotype of an organism is best defined as: A. A subunit of DNA composed of a nitrogenous base, a pentose sugar, and a phosphate B. An organism’s genetic makeup; its collection of genes that determine its phenotype C. A segment of DNA that codes for a functional product D. Actual, expressed physical and biochemical properties of an organism E. A type of base substitution mutationarrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY