Genetic Expression Essay

timer Asked: Jun 19th, 2018
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Question description

Write a 1,050- to 1,400-word paper examining the process of gene expression. Include the following:

  • Explain the regulation of gene expression in eukaryotic cells.
  • Discuss mechanisms by which gene expression may be altered. How do these alterations induce cancer-causing mutations in cell DNA?
  • Explain how cancer is formed.
  • Describe genetic changes found in cancer cells and how these changes lead to alterations in cell behavior.
  • Determine whether proteome data can be utilized in genetic disorder diagnosis.
  • Relate the Human Genome Project data to the analysis of cancer genes.

Format your paper consistent with APA guidelines.

Tutor Answer

School: UIUC

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Gene Expression


Gene Expression

Gene expression is a process through which the genetic instructions are applied I
synthesizing gene products. The products are primarily the proteins whose functions include
hormones, enzymes and even receptors. Several cells express different gene sets regardless of the
fact that they contain similar DNA. The gene sets that get expressed inside a cell will determine
what the functional RNAs and protein sets the cell will contain and, in the process, enabling it to
have distinct properties. In eukaryotes, gene expression has several steps. The regulation of
genes will take place in any of the several steps. A point to note is that regulation of genes takes
place at the transcription level.
Regulation of Gene Expression
The process of regulation in the eukaryotes occurs in several steps. Most of these steps
can get regulated. Each gene may get regulated at different points, and it's also possible for the
gene especially the dominant gene to get regulated at several steps. Eukaryotes use several
methods for gene regulation. The first step involves chromatin accessibility whereby the
chromatin structure gets regulated. An open chromatin will make a gene readily available for
transcription. Transcription is the next step in eukaryotic gene expression. Transcription is a vital
point for regulation for the genes. The transcription proteins hold on to the DNA sequences
which are specific inside a gene or near the gene. The pr...

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