Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 16.2, Problem 1TC
If it were true that mutations do occur in response to the presence of antibiotics. how would the result of this experiment have differed from the actual result?
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Chapter 16 Solutions
Biology
Ch. 16.1 - define evolution in terms of concepts from...Ch. 16.1 - define equilibrium population and describe the...Ch. 16.2 - If it were true that mutations do occur in...Ch. 16.2 - Explain how the distribution of genotypes in...Ch. 16.2 - A flu vaccination stimulates your immune system to...Ch. 16.2 - Prob. 3TCCh. 16.2 - If a population grows large again after a...Ch. 16.2 - Prob. 5TCCh. 16.2 - Evolution of a Menace The mutant alleles that...Ch. 16.2 - describe how mutation, gene flow, genetic drift,...
Ch. 16.3 - A team of phys clans treated four patients with...Ch. 16.3 - If we studied a population of bighorn sheep and...Ch. 16.3 - When selection is directional, is there any limit...Ch. 16.3 - describe why selection of phenotypes can affect...Ch. 16.3 - explain how competition and predation influence...Ch. 16.3 - Prob. 3CYLCh. 16.3 - compare and contrast directional selection,...Ch. 16.3 - Microbiologists have discovered that alleles...Ch. 16 - The alleles responsible for antibiotic resistance...Ch. 16 - Stabilizing selection on a trait tends to a. make...Ch. 16 - An adaptation is a. any trait that arises from a...Ch. 16 - Which of the following statements about mutations...Ch. 16 - Genetic drift occurs a. when different phenotypes...Ch. 16 - The ______ provides a simple mathematical model...Ch. 16 - Different versions of the same gene are called...Ch. 16 - An organisms ______ refers to the specific alleles...Ch. 16 - A random form of evolution is called ________....Ch. 16 - Competition is most Intense between members of...Ch. 16 - The evolutionary fitness of an organism is...Ch. 16 - What is a gene pool? How would you determine the...Ch. 16 - Define equilibrium population. Outline the...Ch. 16 - How does population size affect the likelihood of...Ch. 16 - If you measured the allele frequencies of a gene...Ch. 16 - People like to say that you cant prove a negative....Ch. 16 - Describe the three ways in which natural selection...Ch. 16 - What is sexual selection? How is sexual selection...Ch. 16 - In North America, the average height of adult...Ch. 16 - By the 1940s, the whooping crane population had...
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- Although it is well known that X-rays cause mutations, they are routinely used to diagnose medical problems, including potential tumors, broken bones, and dental cavities. Why is this done? What precautions need to be taken?arrow_forwardWhy is using genomic DNA in gene therapy more efficacious?arrow_forwardWhy are X rays more potent mutagens than UV radiation?arrow_forward
- What are some possible reasons that researchers might be interested in identifying the gene that causes a genetic disease such as ICA? In other words, what benefits might result from this research?arrow_forwardExplain the purpose of the antibiotic resistance gene in this experiment. Why is this genetic trait an important part of the recombinant DNA technology process in the biotechnology industry?arrow_forwardIn Experiment I, you established that beneficial mutations are rare. In Experiment II, you showed that the environment does not affect the probability of a beneficial mutation occurring. Knowing this, why then are mutations responsible for antibiotic resistance in bacteria so common?arrow_forward
- Who did discover restriction enzymes and how did they discover it? And what experiments did they use to find it?arrow_forwardExplain The Discovery of CRISPR ?arrow_forwardHow do you figure out which type of restriction enzymes to use in an experiment and what would happen if they were damaged and didn't work?arrow_forward
- What would happen if recombinant microbes could transfer genetically altered genes into other microorganisms for which they were not originally intended?arrow_forwardWhat type of mutation is shown in the diagram? Why do you think this type of mutation is referred to by this term?arrow_forwardWhat was the importance of replica plating in understanding how mutations arise?”arrow_forward
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