Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 18, Problem 5TYU
SCIENTIFIC INQUIRY
The scientists mapping human SNPs noticed that groups of SNPs tended to be inherited together. In blocks known as "haplotypes." ranging from 5.000 to 200,000 base pairs. There are only four or five commonly occurring combinations of SNPs per haplotype. Integrating what you've learned throughout this chapter and this unit, propose an explanation for this observation.
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Genetics
The Basque people, who have a distinct language, live on the coastal border of France and Spain. The 700,000 modern Basques had long been thought to descend from hunter-gatherers who lived in the area about 7,500 years ago, before the first farmers arrived. DNA told a different story. Researchers compared the genome sequences of bones from eight Basque farmers who had lived in a cave in northern Spain from 5,500 to 3,500 years ago to genomes from other skeletons representing several European hunter-gatherers and early farming groups, as well as to modern Europeans. While the ancient farmers had genomes representing many groups, including those of hunter-gatherers, the Basques indeed have a unique genome — but one that descends from the earliest farmers, not from hunter-gatherers. Apparently, their uniqueness today is due to their self-imposed isolation as the rest of Europe interbred
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Until recently, the Basque people of Europe were thought to have descended…
Imagine you've been offered a deal from a genomics company. You can get a free genome sequence – an analysis of all your DNA that includes a report of your ancestry, traits and a medical profile. The medical profile tells you about diseases for which you have a low risk of getting, and also those you have a high risk of getting.
Are you interested? Why or why not?
• High-throughput technologies allow parallel sequencingof millions of individual DNA molecules. These newmethods are rapidly driving down the cost of _____________ and whole-genome sequencing.
Chapter 18 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 18.1 - Prob. 1CCCh. 18.2 - Prob. 1CCCh. 18.2 - Explain the advantage of the systems biology...Ch. 18.2 - Prob. 3CCCh. 18.3 - The best estimate is that the human genome...Ch. 18.3 - Prob. 2CCCh. 18.3 - Prob. 3CCCh. 18.4 - Discuss the characteristics of mammalian genomes...Ch. 18.4 - Which of the three mechanisms described in Figures...Ch. 18.4 - Prob. 3CC
Ch. 18.5 - Describe three examples of errors in cellular...Ch. 18.5 - Prob. 2CCCh. 18.5 - Prob. 3CCCh. 18.6 - Would you expect the genome of the macaque (a...Ch. 18.6 - Prob. 2CCCh. 18 - Prob. 1TYUCh. 18 - Prob. 2TYUCh. 18 - Two eukaryotic proteins have one domain in common...Ch. 18 - SCIENTIFIC INQUIRY The scientists mapping human...Ch. 18 - FOCUS ON EVOLUTION Genes important in the...Ch. 18 - FOCUS ON INFORMATION The continuity of life is...Ch. 18 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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- We each carry 20,000 genes in our genome. Genes can be patented, and over 6,000 human genes have been patented. Do you think that companies or individuals should be able to patent human genes? Why or why not?arrow_forwardHuman Genome ProjectIn 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 researches 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.Identify one advantage and one disadvantage of corporate funding and patenting genetic research results.arrow_forwardHuman Genome ProjectIn 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. Identify one advantage and one disadvantage of corporate funding and patenting genetic research results.arrow_forward
- Compare and contrast prokaryotic and Eukaryotic chromosome structure. A new study led by researchers from Harvard school of public health (HSPH) and the Wellcome Trust Sanger Institute in the UK has, for the first time, used genome sequence technology to track changes in a bacteria population following the introduction of a vaccine.arrow_forwardRelate the importance of the large poputations of studies in 2012: The 1000 genomes project using as genomic landmarks Single nucleotide polymorphisms (SNPs)arrow_forward4.1. Recombinant DNA technology has had a dramatic impact on all aspects of molecular biology, allowing scientist to routinely study cells and their macromolecules in ways that were unimaginable. Describe manipulations central to this technology. (10) 4.2. Draw a diagram to illustrate a technique for creating clones of a particular DNA (DNA cloning).arrow_forward
- True or False? Humans have the highest number of genes of all organisms for which genomes have been sequenced and annotated.arrow_forwardGenome comparisons have suggested that mouse DNA has mutated about twice as fast as human DNA. What is a possible explanation for this discrepancy? a. Mice are much smaller than humans. b. Mice live in much less sanitary conditions than humans and are therefore exposed to a wider range of mutation-causing substances. c. Mice have a smaller genome size. d. Mice have a much shorter generation time.arrow_forwardHumans and chimpanzees share about 98% of their DNA. What is DNA? What might be the role of regulatory genes in producing the anatomical differences between these two lineages? Give two examples of how the field of genetics has revolutionized biological science. What is polymerase chain reaction (PCR) and why is it important in genetics?arrow_forward
- Mutations are mistakes in the dna that change the genetic plan from the previous generation. imagine a shoe factory. Would you expect mistakes (i.e., unintentional changes) in copying the shoe design to lead to improvements in the shoes produced? explain your answer.arrow_forwardBased on literature, the number of genes in the human genome is lower compared to rice but rice have fewer chromosomes and lesser amount of DNA than humans. What is the main reason for this difference in the DNA-gene ratio?arrow_forwardGenetically Modified Foods The creation of transgenic crop plants using recombinant DNA methods involves the transfer of just one gene or a small number of genes to the plants, in contrast to classical breeding methods in which hundreds or even thousands of genes are transferred at once. Explain why this is true. If fewer genes are transferred during the creation of transgenic crops, why are some people afraid that they are dangerous?arrow_forward
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