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 8, Problem 13SQ
Summary Introduction
Concept introduction: Mutations are heritable changes caused due to a change in a single base pairing or due to chromosomal abnormality. Mutations are the result of unintentional variations in the DNA, which results in lasting modification of the genome of an organism. The effect of mutation is not always morphologically expressed.
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A neutral mutation_____ . a. has a pH of 7.0 b. has no effect on survival c. does not alter the DNA sequence
Mutations ________.
a.
are always bad
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When a gene from one species is transferred into another species, the result is ____.
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a lethal mutation
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eugenics
Chapter 8 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Variation in _____ is the basis of variation in...Ch. 8 - One species' DNA differs from others in its...Ch. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - DNA replication requires _______. a. DNA...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...
Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - The phrase "5 prime to 3 prime" refers to the...Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SQCh. 8 - Prob. 14SQCh. 8 - Prob. 15SQCh. 8 - Prob. 1CTCh. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- 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 mutationarrow_forwardWhat type of molecule contains the site where amino acids link together to make a polypeptide? a. DNA b. mRNA c. rRNA d. tRNA An inborn error of metabolism is when a _____ causes a deficiency in a particular enzyme. a. genetic change b. protein deficiency c. vitamin deficiency d. viral diseasearrow_forwardMutations are __________. A. The sole source of variation in a sexually reproducing organisms B. The ultimate source of variation in sexually reproducing organisms C. Both genetic and chromosomal in nature D. All of these are correctarrow_forward
- Evolution______ . a. is change in a line of descent b. is the same as natural selection c. is the goal of natural selection d. explains the origin of lifearrow_forwardThe addition of methyl groups to DNA by chemicals in tobacco can cause DNA to _____. a. replicate b. hybridize c. fragment d. polymerize e. mutatearrow_forwardChase and Hershey provided the final evidence that ________. a. nucleic acids exist b. DNA is the genetic material c. hereditary information could be transferred horizontally rather than by descentarrow_forward
- A set of cells that host various DNA fragments collectively representing an organism’s entire set of genetic information is a_____ . a. genome c. genomic library b. clone d. GMOarrow_forwardIn humans, mutations can be the result of _________________. * A. racial discrimination B. political intervention C. exposure to harmful level of radiation D. migration pattern 2. Which of the following causes a decreasing wildlife population in most of the places in our country? * A. loss of limiting factor B. loss of natural disturbances C. loss of habitat D. loss of carrying capacityarrow_forwardStanley Miller’s experiment demonstrated that ________ .a. Earth is more than 4 billion years oldb. under some conditions, amino acids can assemblespontaneously from inorganic materialsc. oxygen is necessary for all lifed. RNA was the first genomearrow_forward
- mRNA comes from the ______________ and goes to the __________________. a. DNA, Ribosome b. DNA, RNA c. Ribosome, DNA d. RNA, DNAarrow_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_forwardTransfer RNA ____________________. a. Carries amino acids to the ribosome b. Carries information from the DNA to the ribosome c. Helps make up the ribosome d. Carries oxygen to cellsarrow_forward
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