BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 8, Problem 13SA
Summary Introduction
Introduction:
Mutations can alter any part of DNA in a cell. Mutations that arise during formation of gametes can be passed to offspring. Mutations that alter DNA sequences may have harmful or lethal effects. Also, all mutations are not dangerous. They also give rise to variation in traits that can result in evolution.
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Mutations ________.
a.
are always bad
b.
have variable impacts
c.
are usually beneficial
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
Gene therapy can be used to introduce foreign DNA into cells ________. a. for molecular cloning b. by PCR c. of tissues to cure inheritable disease d. all of the above
Chapter 8 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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 - Similarities in ___________ are the basis of...Ch. 8 - One species DNA differs from others in its...Ch. 8 - In eukaryotic chromosomes, DNA wraps around...Ch. 8 - The chromosome number ________ . a. refers to a...Ch. 8 - Prob. 7SACh. 8 - DNA replication requires ________ . a. DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - When DNA replication begins, _______ . a. the two...
Ch. 8 - The phrase 5to3 refers to the _________ . a....Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SACh. 8 - _________ is an example of reproductive cloning....Ch. 8 - Match the terms appropriately. ___ nucleotide ___...Ch. 8 - Determine the complementary strand of DNA that...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- The addition of methyl groups to DNA by chemicals in tobacco can cause DNA to _____. a. replicate b. hybridize c. fragment d. polymerize e. mutatearrow_forward_____ 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 mutationarrow_forward_____ is the transmission of DNA to offspring. a. Differentiation b. Inheritance c. Reproduction d. Homeostasis e. Developmentarrow_forward
- Mutations resulting from x-radiation are due to changes in ___________. A. ATP B. DNA C. ADP D. Rharrow_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_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_forward
- _______is the transmission of DNA to offspring. a. Reproduction c. Homeostasis b. Development d. Inheritancearrow_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_forwardA mutation is best defined as _____ in the nucleotide sequence of a gene. A any change B a beneficial change C a harmful changearrow_forward
- Currently, the only possible cure for genetic disorders is ____. a. GMOs b. gene therapy c. genetically modified drugs d. whole genome replacement e. transplantationarrow_forwardBt toxin is considered to be ________. a. a gene for modifying insect DNA b. an organic insecticide produced by bacteria c. useful for humans to fight against insects d. a recombinant proteinarrow_forwardThe results of the treatment of 20 boys with SCID-X1 showed that ____. a. the “treatment” caused numerous unforeseen complications. b. a bone marrow transplant can cure SCID-X1 c. SCID-X1 can be cured through genetic engineering d. none of those treated were cured of the disease e. our understanding of the human genome exceeds our ability to modify itarrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY