CAMPBELL BIOLOGY (18W)
12th Edition
ISBN: 9780136858256
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 20.2CR
What useful Information is obtained by detecting expression ot specific genes?
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Students have asked these similar questions
A complex biochemical pathway is shown below, along with the alleles that either promote or
inhibit each step of the pathway leading to a phenotype. Gene A has alleles A and a, B has alleles
B and b, and so forth. Genes B and C are duplicate dominant epistatic lethal as heterozygotes
(i.e. Bb Cc are lethal). Genes D and E are duplicate dominant epistatic (i.e. dd eg = desired
phenotype). If I were to cross AA Bb cc Dd Ee with aa BB Cc Dd e,
(i)
(ii) What proportion of all offspring don't show the phenotype?
What proportion of offspring survive?
Gene A
Gene B
B Gene D
a
Gene C
Gene E
The expression levels for two genes measured at four times are: Compute the correlation coefficient for this pair of genes. Make a plot of the gene1 levelsagainstthe gene 2levels.Isthe informationinthe plot consistent with the implication of the correlation coefficient? Comment on potential hazards of using the correlation coefficient based on your findings.
When performing QPCR to study differential gene expression, what is the role of SYBR green?
What is the most correct answer?
SYBRgreen intercalates proportionally and efficiently with double stranded DNA and can therefore be used to quantify it
SYBRgreen intercalates proportionally and efficiently with nucleic acids and can therefore be used to quantify them.
SYBRgreen intercalates more efficiently and proportionately with single stranded DNA and can therefore be used to quantify cDNA (a direct product of mRNA).
SYBRgreen intercalates proportionally efficiently with messenger RNA and can therefore be used to quantify it.
Chapter 20 Solutions
CAMPBELL BIOLOGY (18W)
Ch. 20.1 - Prob. 1CCCh. 20.1 - DRAW IT One Strand of a DNA molecule has the...Ch. 20.1 - What are some potential difficulties in using...Ch. 20.1 - VISUAL SKILLS Compare Figure 20.7 with Figure...Ch. 20.2 - Prob. 1CCCh. 20.2 - Prob. 2CCCh. 20.3 - Based on current knowledge, how would you explain...Ch. 20.3 - Prob. 2CCCh. 20.3 - Prob. 3CCCh. 20.4 - What is the advantage of using stem cells for gene...
Ch. 20.4 - Prob. 2CCCh. 20.4 - Prob. 3CCCh. 20 - Describe how the process of gene doning results in...Ch. 20 - What useful Information is obtained by detecting...Ch. 20 - Describe how, using mice. a researcher could carry...Ch. 20 - What factors affecf whether a given genetic...Ch. 20 - In DNA technology, the term vector can refer to...Ch. 20 - Which of the following tools of DNA technology is...Ch. 20 - Prob. 3TYUCh. 20 - A paleontologist has recovered a bit of tissue...Ch. 20 - Which of the following is not true of cDNA...Ch. 20 - Expression of a cloned eukaryotic gene in a...Ch. 20 - Which Ii of the following sequences in...Ch. 20 - Prob. 8TYUCh. 20 - MAKE CONNECTIONS Looking at Figure 20.15, what...Ch. 20 - DRAW IT You are cloning an aardvark gene, using a...Ch. 20 - EVOLUTlON CONNECTION Ethical considerations aside,...Ch. 20 - Prob. 12TYUCh. 20 - Prob. 13TYUCh. 20 - Prob. 14TYU
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