Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135564172
Author: Mark Sanders, John Bowman
Publisher: PEARSON+
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Chapter D, Problem 2P
What insights have analyses of human mitochondrial DNA provided into our recent evolutionary past?
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Chapter D Solutions
Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
Ch. D - Why might mitochondrial, Y chromosome, and...Ch. D - What insights have analyses of human mitochondrial...Ch. D - What lines of evidence support the hypothesis that...Ch. D - Discuss how both gains and losses of regulatory...Ch. D - D.5 How do copy number variants arise? Do they...Ch. D - Consider possible societal and ethical dilemmas...Ch. D - Prob. 7PCh. D - Describe how selection at a locus can result in a...Ch. D - D.9 How can ancient DNA provide insight into past...Ch. D - D.10 Denisovans are known from bones found in...
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- There are two hypotheses to explain the pattern of Human Evolution: 1) Progressive Evolution of a Single Lineage ; 2) Evolutionary Radiation Which of these hypotheses are supported by evidence, and briefly explain why? Please explain in detailsarrow_forwardHow does genetics provide strong evidences of evolution of life?arrow_forwardThe phylogenetic tree for vertebrates depicted below was constructed from sequence data for two rRNA mitochondrial genes (12S and 16S). How do the results of this analysis compare with the phylogenetic trees in Figures 32.10 and 32.24? Identify the major clades of vertebrates on the tree depicted below. Source: R. Zardoya and A. Meyer. 1998. Complete mitochondrial genome suggests diapsid affinities of turtles. Proceedings of the National Academy of Sciences, USA 95:1422614231. Copyright 1998 National Academy of Sciences, U.S.A.arrow_forward
- Please asaparrow_forwardWhat two pieces of evidence support the claim that all life on Earth descended from a common ancestor?arrow_forwardMichael Bunce and his colleagues in England, Canada, and theUnited States extracted and sequenced mitochondrial DNA from fossilsof Haast’s eagle, a gigantic eagle that was driven to extinction 700 yearsago when humans first arrived in New Zealand (M. Bunce et al. 2005.PLOS Biology 3:44–46). Using mitochondrial DNA sequences fromliving eagle species and those from Haast’s-eagle fossils, they createdthe accompanying phylogenetic tree. On this phylogenetic tree, identify(a) all nodes; (b) one example of a branch; and (c) the outgroup.arrow_forward
- Based on their anatomical and behavioral differences, biologists previously placed humans and chimpanzees in different families, but now DNA sequence data suggest that they are closely related and should be placed in the same family. What are some advantages of using DNA sequences to decide how to classify organisms? What might be some disadvantages?arrow_forwardWhat does the regional variation in archaic Homo sapiens represent in terms of the broader story of our species evolution?arrow_forwardWhat do the multiregional and out-of-Africa hypotheses predict about the age of the common ancestor of all humans living today?arrow_forward
- 1) Does the fossil record indicate that life first appeared in the water or on the land? WATER or LAND 2) Does the fossil record indicate that invertebrates (trilobites) and vertebrates (fish) evolved during the same geological period? YES or NO 3) Does the fossil record indicate that birds evolved from mammals or reptiles? MAMMALS or REPTILES 4) The fossil record indicates that hominids evolved from an ancestral hominoid approximately? 4-5 million years ago or 1-2 million years ago What kinds of organisms appear earliest in the fossil record? PROKARYOTES or EUKARYOTESarrow_forwardAsian tiger mosquito Trace its origin and evolutionary history or changes in the species. Describe its structures and their functions. What is the importance of this species to our environment? Give trivia about this species. Does this organism produce oxygen? Explain. What are the ancestral species of your chosen organism? Has this species been genetically engineered? If yes, in what way? How does this species reproduce? What organisms have similar structures to this species? Do these structures have the same function? Does the species have tissues, organs, and/or organ systems? What is its role in the flow of energy? Give at 15 least a sentence to each question.arrow_forwardWhat is the basis of using a molecular clock to determine when two species diverged from a common ancestor?arrow_forward
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