Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 18, Problem 8SQ
Summary Introduction
Concept introduction: Neutral mutations are produced by any changes in the DNA sequences, which are neither beneficial nor detrimental to the capacity of an organism to survive and reproduce. It does not affect the spread of the mutation in a species; rather it exists in a particular species only.
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Which of the following results in the same amino acid in its protein sequence?
a. missense mutation
b. sense mutation
c. nonsense mutation
d. antisense mutation
Which of the following mutations is NOT a point mutation?
A. Missense mutation
B. Insertion mutation
C. Nonsense mutation
D. Silent mutation
Which of the following mutations involve the loss of one or more nucleotides from a gene sequence?
a.Base-pair substitution
b.Insertion
c.Deletion
Chapter 18 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 18 - In cladistics, the only taxon that is always...Ch. 18 - Prob. 2SQCh. 18 - A clade is _________. a. defined by a derived...Ch. 18 - Prob. 4SQCh. 18 - In cladograms, sister groups are _______ . a....Ch. 18 - Through _______, a body part of an ancestor is...Ch. 18 - Homologous structures among major groups of...Ch. 18 - Prob. 8SQCh. 18 - Mitochondrial DNA sequences are often used in...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...
Ch. 18 - Prob. 2DAACh. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Molecular clocks are based on comparisons of the...Ch. 18 - True or false? DNA barcoding can identify an...Ch. 18 - A mutation that alters the embryonic expression...Ch. 18 - All of the following data types can be used as...Ch. 18 - True or false? Phylogeny helps us study the spread...Ch. 18 - Prob. 15SQCh. 18 - In the late 1800s, a biologist studying animal...Ch. 18 - The photos shown above illustrate a case of...
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- Which of the following mutations is most likely? a. Cytosine to Adenine b. Guanine to Adenine c. Thymine to Adenine d. All equally likelyarrow_forwardType of DNA spontaneous mutation that can explain why uracil is not found in DNA a.depurination b.methylation c. oxidation d.deaminationarrow_forwardA mutation caused by a base deamination or a tautomerization is called a a. silent mutation b. transition mutation c. nonsense mutation d. missense mutationarrow_forward
- Which of the following mutations involve the loss of one or more nucleotides from a gene sequence? A. Deletion B. Insertion C. Base-pair substitutionarrow_forwardThe most common source of DNA mutation is _____; however, these mistakes are typically corrected. a. errors in DNA replication b. UV light c. cigarette smoke d. errors in protein synthesis e. pesticides on the food we eatarrow_forwardA mutation occurs that alters the third base in an mRNA codon from a C to a G. This mutation is most likely a A. frameshift mutation B. missense mutation C. nonsense mutation D. silent mutationarrow_forward
- Cystic Fibrosis is caused by which of the following? a. Replacement of three nucleotides with a new three nucleotide sequence b. Addition of three nucleotides c. Deletion of three nucleotidesarrow_forwardThe main function of a DNA molecule is to______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acidsarrow_forwardMutations ________. a. are always bad b. have variable impacts c. are usually beneficialarrow_forward
- ________ are encoded by a nucleotide triplet codon. a. Amino acids b. Chromosomes c. RNA strandsarrow_forward52. Missense mutations _________. A. cause a single amino acid change in a polypeptide B. will often cause a change in phenotypes C. both A and B D. none of the abovearrow_forward_______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acidsarrow_forward
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