EBK BIOLOGY
10th Edition
ISBN: 8220100474729
Author: Martin
Publisher: Cengage Learning US
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Chapter 19, Problem 15TYU
Summary Introduction
To explain: The study of the genetic contribution to disease in populations of Finland or Iceland is much easier as opposed to that of the United States.
Introduction: A genetic disease or disorder can result from deviations or abnormalities in the genetic makeup of an organism. These abnormalities in the genome can be caused as a result of Mutations. These mutations when passed down across generations lead to the development of disease or disorder.
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Steven Frank and Laurence Hurst argued that a cytoplasmically inherited mutation in humans that has severe effects in males but no effect in females will not be eliminated from a population by natural selection because only females pass on mtDNA (S. A. Frank and L. D. Hurst. 1996. Nature 383:224). Using this argument, explain why males with Leber hereditary optic neuropathy are more severely affected than females.
Steven Frank and Laurence Hurst argued that a cytoplasmically inherited mutation in humans that has severe effects in males but no effect in females will not be eliminated from a population by natural selection because only females pass on mtDNA. Using this argument, explain why males with Leber hereditary optic neuropathy are more severely affected than females.
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Chapter 19 Solutions
EBK BIOLOGY
Ch. 19.1 - Define what is meant by a populations gene pool.Ch. 19.1 - Distinguish among genotype, phenotype, and allele...Ch. 19.1 - Prob. 1CCh. 19.1 - Can the frequencies of all genotypes in a...Ch. 19.1 - INTERPRET DATA In a human population of 1000, 840...Ch. 19.2 - Discuss the significance of the HardyWeinberg...Ch. 19.2 - Prob. 4LOCh. 19.2 - INTERPRET DATA In a population at genetic...Ch. 19.2 - INTERPRET DATA In a population at genetic...Ch. 19.2 - INTERPRET DATA The genotype frequencies of a...
Ch. 19.3 - Prob. 5LOCh. 19.3 - Discuss how each of the following...Ch. 19.3 - Distinguish among stabilizing selection,...Ch. 19.3 - Which microevolutionary force leads to adaptive...Ch. 19.3 - Why is mutation important to evolution if it is...Ch. 19.3 - Which microevolutionary forces are most associated...Ch. 19.3 - Prob. 4CCh. 19.4 - Prob. 8LOCh. 19.4 - Prob. 1CCh. 19.4 - Prob. 2CCh. 19.4 - How can researchers test the hypothesis that...Ch. 19 - The genetic description of an individual is its...Ch. 19 - In a diploid species, each individual possesses...Ch. 19 - The MN blood group is of interest to population...Ch. 19 - If a populations allele and genotype frequencies...Ch. 19 - Prob. 5TYUCh. 19 - The continued presence of the allele that causes...Ch. 19 - According to the HardyWeinberg principle, (a)...Ch. 19 - Prob. 8TYUCh. 19 - Mutation (a) leads to adaptive evolutionary change...Ch. 19 - Which of the following is not true of natural...Ch. 19 - If all copies of a given locus have the same...Ch. 19 - Prob. 12TYUCh. 19 - EVOLUTION LINK Given that mutations are almost...Ch. 19 - Prob. 14TYUCh. 19 - Prob. 15TYUCh. 19 - EVOLUTION LINK Evolution is sometimes...Ch. 19 - INTERPRET DATA The recessive allele that causes...Ch. 19 - PREDICT You study males in populations of a...Ch. 19 - Prob. 19TYU
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- Name crickets remain unnoticed by the parasitoid flies. To test this idea, Robin dissected the otS males to look for fly larvae. She compared A infection levels for 67 normal males- collected before the flatwing mutation appeared in the population-to 122 flatwing males that she collected after the flatwing mutation appeared. She expected fewer males to be infected by the parasitoid fly after the appearance of the flatwing mutation in the cricket population. Scientific Questions: Why do most male crickets on Kauai have flat wings? Could parasitoid flies have contributed to the loss of song for male crickets? Figure 2: A parasitoid fly, Ormia ochracea, sitting on top of its cricket host, Teleogryllus oceanicus. What is the hypothesis? Find the hypothesis in the text and underline it. A hypothesis is a proposed explanation for an observation, which can then be tested with experimentation or other types of studies. Scientific Data: Use the data below to answer the scientific questions:…arrow_forwardWhat is a recent example of gene environment interaction that causes disease, prevent disease, promotes health? Must be physiological one.arrow_forwardWhich type of mutation doesnt affect the ability of an organism to pass on its alleles to the next generation? a) beneficial mutation b) positve mutation c) deleterious mutation d) neutral mutation I have also attached a question down below. Please let me know if there is are any mistakes as I have a test tomorrowarrow_forward
- Genetics is commonly seen as being grouped into several general areas: transmission, molecular, and population/evolution. Which biological processes are studied in transmission genetics?arrow_forwardIn 2003, the Human Genome Project was successfully completed, determining the exact sequence of the entire human genome, which is made up of 3 billion nucleotide base pairs. The data generated from the Human Genome Project is freely available online to anyone. Many pieces of research and innovations stemmed from the HGP, allowing the identifications of 1 800 disease genes. Many of the corporations using the results from the HGP are privately funded, and research is being done for profit even though the HGP results are provided freely. State one advantage and one disadvantage of corporate funding and patenting genetic research results.arrow_forwardIn the replica plate experiment, it shows that mutations are random. However, certain environmental stresses (such as high temperature, high salt, and low pH) can increase the mutation rate. QUESTIONS: Does increasing the mutation rate increase the probability that an individual mutation will be adaptive?arrow_forward
- Based on the results of this study , which answer choice below is the best interpretation of the data that should be communicated to the publicarrow_forwardWhich evolutionary mechanisms (natural selection, mutation, genetic drift, or gene flow) would you need to understand to predict the success of genetically modified mosquitoes to: 1. Drive the mosquito population to extinction? 2. Replace the mosquito population with genetically modified mosquitoes that can not transmit malaria?arrow_forwardMicrobiologists have discovered that alleles associated with antibiotic resistance are present in bacteria that live in soil, even in environments that are comparatively free of antibiotic pollution from human activities. Why are such alleles present (albeit at low levels) in bacterial populations? Conversely, if resistance alleles are beneficial, why are they rare in natural populations of bacteria?arrow_forward
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