Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Textbook Question
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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. Figure 18-14 presents haplotype data for the G6PD genein a worldwide sample of people.a. Draw a haplotype network for these haplotypes.Label the branches on which each SNP occurs.b. Which of the haplotypes has the most connectionsto other haplotypes?c. On what continents is this haplotype found?d. Counting the number of SNPs along the branchesof your network, how many differences are therebetween haplotypes 1 and 12?
. Use the following sequence data to assign haplotypes and build a haplotype network for a 200 bp variable region that is sequenced from eight individuals. Polymorphic nucleotide positions are shown. Δ is a 1 bp deletion. Explain the logic supporting the network. If there are different nucleotide changes at one position, indicate the different changes on your network.
Individual
24
56
92
119
146
172
haplotype
1
A
C
A
T
G
G
A
2
T
C
Δ
C
G
G
3
A
G
A
T
A
T
4
A
G
A
T
G
T
5
A
C
Δ
C
G
G
6
A
G
A
T
G
G
7
A
G
A
T
A
T
8
C
C
Δ
C
G
G
When comparing evolutionary similarities between different genes within a gene family, it is usually more straightforward to compare genes by using the protein sequences of gene products rather than DNA sequences of the genes themselves. Explain why this is the case. (Cover 4 points)
Chapter 18 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for 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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