Study Guide And Solutions Manual For Genetic Analysis: An Integrated Approach
3rd Edition
ISBN: 9780134832258
Author: Mark F. Sanders, John L. Bowman, Peter Mirabito
Publisher: PEARSON
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Chapter D, Problem 14P
The mtDNA sequence of Neandertals is more similar to that of modern humans that to that of Denisovans. However, analyses of nuclear DNA clearly indicate that Neandertals and Denisovans share a more recent common ancestor than either of these hominins shares with modern humans. Propose a hypothesis to resolve the discrepancy between the mtDNA and the nuclear genome.
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In 1979, bones found outside Ekaterinburg, Russia, were shown to be those of Tsar Nicholas and his family, who were executed in 1918 by a Bolshevik firing squad in the Russian Revolution . To prove that the skeletons were those of the royal family, mtDNA was extracted from the bone samples, amplified by PCR, and compared with mtDNA from living relatives of the tsar’s family.
Q. Mitochondrial DNA from which living relatives would provide useful information for verifying that the skeletons were those of the royal family?
If phenotype is a proxy for genotype, then why do you think that paleoanthropologists erroneously designated Neandertalensis as a separate species prior to the accessibility of DNA analysis? What were they comparing them to when they were lumping or splitting fossils taxonomically and why would these reference populations provide the bias resulting in such a confounding factor in their assessments?
Two individuals from the San tribe in Africa are more diverse from one another than two individuals from Europe and Asia. This is possibly because hunter-gatherers in Africa share DNA with a variety of other hominin species while only one Homo species populated other regions of the planet.
is this statemnet true or false
Chapter D Solutions
Study Guide And Solutions Manual For Genetic Analysis: An Integrated Approach
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Genomics and Human Evolution The Denisovan genome contains sequences that originated from an unknown human species. Using Figure 19.11, speculate on which species this might be. Is it possible that there are other ancestral species that may remain to be discovered that would change the phylogeny presented in the figure? FIGURE 19.11 Estimates for the dates of origin and extinction for the three main groups of hominins (green, blue, and orange). The australopithecines split into two groups about 2.7 million years ago. One of those groups, the genus Homo, contains the ancestors to our species, H. sapiens.arrow_forwardOnce nuclear DNA sequencing became fast and able to handle sequencing ancient DNA, living humans were found to have some Neanderthal genes. Is this finding clear evidence that some early modern humans did indeed hybridize with Neanderthals? Why?arrow_forwardWhat is both the physical and cultural evidence that Homo sapiens nenaderthalensis is an ancestral hominin to Homo sapiens sapiens (modern humans)?arrow_forward
- Homo erectus was most likely the first hominid to successfully migrate to regions beyond Africa. Discuss how the biology and culture of Homo erectus led to its success on three major continents with varying environmentsarrow_forwardWhy do you think such a small portion of Neandertal or Denisovan DNA exists in the gene pool of modern humans? Why not more?arrow_forwardHow does the fact that all ethnic groups except Africans contain some Neanderthal DNA (1–4 percent of their DNA) support the out-of-Africa hypothesis for the origin of modern humans (Homo sapiens)?arrow_forward
- What is the most straightforward evidence at the molecular level in support of the idea that modern humans first appeared in Africa?arrow_forwardFor each hominid or hominid group, provide an archaeological site where their remains have been found and name their associated tool technologies. And, provide several characteristics that make these hominids or hominid groups distinctive.arrow_forward52. Which of the following represents the earliest Anatomically Modern Homo sapiens (AMHS) skeleton dated to approximately 190,000 YBP Omo I, Kenya Skuhl V, Israel Shanidar, Iran Mungo 3, Australia Homo floresiensis, Indonesiaarrow_forward
- The Neanderthal nuclear genome: A. Shows that Neanderthals inherited their ability to flake stone directly from Homo habilis. B. Is overwhelmingly similar to the modern human genome. C. Demonstrates once and for all that Neanderthals had language. D. Is composed exclusively of mitochondrial DNA. E. Indicates that most Neanderthal females died young, which explains why Neanderthal populations were so small.arrow_forwardDNA sequences were analyzed from humans and three other mammals: species X, Y, and Z. Which of these mammals is most closely related to humans? (Note: Regions identical to human DNA are shown in bold type.)arrow_forwardPlace the following hominids in the correct order from earliest to most recent by numbering them from 1 to 5. a. archaic Homo sapiens b. Australopithecus afarensis c. modern Homo sapiens d. Homo habilis e. Homo erectusarrow_forward
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