Which of the following statements is most consistent with the pattern of gene expression shown in the given graph?(A) Repressors that bind to a regulatory sequence of Gene X are present in brain tissue but not in heart tissue. (B) Gene X is located within heterochromatin in brain tissue and within euchromatin in heart tissue. (C) Small RNAs that help degrade Gene X mRNA are present in brain tissue but not in heart tissue (D)Activators that bind to an enhancer of Gene X are present in brain tissue but not in heart tissue. Using a technique called MRNA-Seq, a researcher collected data on gene expression patterns in humans. Asubset of the data, which shows the expression of Gene X in heart and brain tissue, is shown in Figure 1.1000800600400200HeartBrainTissue typeFigure 1. Expression of Gene X in heart and brain tissue. Gene X expression is measured in units of Readsper Kilobase per Million mapped reads (RPKM), which indicates the amount of Gene X MRNA present ineach sample.Gene X expression (RPKM)

Gene expression is defined as the process by which the instructions and directions present in the…

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Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 10QP: The pre-mRNA transcript and protein made by several mutant genes were examined. The results are...

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Which of the following statements is most consistent with the pattern of gene expression shown in the given graph? (A) Repressors that bind to a regulatory sequence of Gene X are present in brain tissue but not in heart tissue. (B) Gene X is located within heterochromatin in brain tissue and within euchromatin in heart tissue. (C) Small RNAs that help degrade Gene X mRNA are present in brain tissue but not in heart tissue (D)Activators that bind to an enhancer of Gene X are present in brain tissue but not in heart tissue.

Using a technique called MRNA-Seq, a researcher collected data on gene expression patterns in humans. A
subset of the data, which shows the expression of Gene X in heart and brain tissue, is shown in Figure 1.
1000
800
600
400
200
Heart
Brain
Tissue type
Figure 1. Expression of Gene X in heart and brain tissue. Gene X expression is measured in units of Reads
per Kilobase per Million mapped reads (RPKM), which indicates the amount of Gene X MRNA present in
each sample.
Gene X expression (RPKM)

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