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 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

Name: Which of the following statements best describes the outcome of a muta
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Description: 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 resu

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter22: Genetics And Genetically Linked Diseases

Section: Chapter Questions

Problem 2RQ

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Which among the following statements is not true about mutations? * a.) It may either occur at the chromosomes or at the sequence of nucleic acids. b.) It is caused either by mutagens or through hereditary genes. c.) All mutations cause diseases and disorders in the developing organism. d.) All mutations causes a change in the structure or sequence of the genetic material.
_____ is a change in the order of one nucleotide in a section of a DNA molecule. a Point mutation b Spontaneous mutation c Somatic mutation d Germ mutation
Which of the following statements is true about the effects of mutations in somatic cells and gametes? A. Only mutations in gametes can affect future generations. B. Only mutations in somatic cells can affect future generations. C. Neither mutations in somatic cells or gametes can affect future generations. D. Mutations in both somatic cells and gametes can affect future generations.
a mutation in dna that adds +1 ot -1 nucleotide or +2 or -2 nucleotides is called a______? (choose one answer only) A. frameshift mutation B. silent mutation C. nonsense mutation D. missense mutation
Why would a scientist wish to induce mutations? a. to increase the number of mutated phenotypes b. to create mutations in specific genes c. to test for carcinogen activity d. to create tumors for cancer research e. because she was crazier than a mutated bedbug
Explain in your own words what the statement "mutations occur randomly" means
Which 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 consequences
Are mutations harmful?a. Yes, because the DNA is damaged.b. No, because changes in the DNA result in better alleles.c. Yes, because mutated proteins don’t function.d. It depends on how the mutation affects the protein’s function.
A geneticist interested in immune function induces random mutations in a number of specific genes in mice and then determines which of the resulting mutant mice have impaired immune function. This procedure is an example of a. forward genetics. b. reverse genetics. c. both forward and reverse genetics. d. neither forward nor reverse genetics
If a mutation in a homeotic gene produced the following phenotypes, would you expect it to be a loss-of-function or a gain-offunction mutation? Explain your answer. A. An abdominal segment has antennae attached to it. B. The most anterior abdominal segment resembles the most posterior thoracic segment. C. The most anterior thoracic segment resembles the most posterior abdominal segment.
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 genes
Which type of mutation produces the same protein despite a change in the DNA? A. nonsense B. missense C. silent D. frameshift

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	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