Humanities
WU Gene Expression Epigenetics & Genetic Screening Discussion

Walden University

Question Description

I’m studying for my Genetics class and don’t understand how to answer this. Can you help me study?

Discussion: Epigenetics and Genetic Screening

Epigenetic influences mean that genetic expression can only be fully understood in the context of environment. Likewise, environmental influences may be quite different depending on the particular genes that are present. The intertwined effects of experience and gene expression have implications far beyond the theoretical questions of how cells in the developing brain interact with one another. As society approaches the era when anyone might be able to have their entire genome decoded for a modest price, and scientists learn more about which genetic variants can increase or decrease the risk of mental health disorders, there is a greater need for understanding how genes can impact the human mind. Many factors influence gene expression, but epigenetics provides a potential link between the environment and changes to gene expression.

In this Discussion, you will describe how information stored in a gene influences behavior and how environment and experience can impact the rate of gene expression. You will also consider the ethical implications of screening for genetic medical or psychological disorders.

To prepare:

  • Review this week’s Learning Resources and pay particular attention to what genes are, how they affect behavior, and how epigenetics affects gene expression.
  • As you are reading, think about the ethical considerations of using genetic screening for disorders.

References

Breedlove, S. M., & Watson, N. V. (2019). Behavioral neuroscience (9th ed.). New York, NY: Oxford University Press.

Chapter 7, “Life-Span Development of the Brain and Behavior”

Appendix pages A1–A4 (Transcription/Translation)

https://www-sciencedirect-com.ezp.waldenulibrary.org/science/article/pii/S0149763418302100?via%3Dihub

https://journals-sagepub-com.ezp.waldenulibrary.org/doi/10.1177/1073858418780971

https://eds-b-ebscohost-com.ezp.waldenulibrary.org/eds/detail/detail?vid=0&sid=5c7c5414-aa0c-4659-8caf-41356e375446%40sessionmgr102&bdata=JnNpdGU9ZWRzLWxpdmUmc2NvcGU9c2l0ZQ%3d%3d

https://www-ncbi-nlm-nih-gov.ezp.waldenulibrary.org/pmc/articles/PMC3102328/

https://journals-sagepub-com.ezp.waldenulibrary.org/doi/10.1177/0022022116680481

https://onlinelibrary-wiley-com.ezp.waldenulibrary.org/doi/full/10.1002/wps.20568

https://www.ted.com/talks/moshe_szyf_how_early_life_experience_is_written_into_dna

https://oup-arc.com/access/breedlove9e-student-resources#tag_all-chapters

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Final Answer

Attached.

Gene Expression, Epigenetics and Genetic Screening

Student’s Name
Professor’s Name
Course
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Gene Expression, Epigenetics and Genetic Screening
Genes are small DNA sections which contain specific molecule instructions, usually a
protein. Genes are the basic functional units of heredity.
Humans in the early ages never understood inheritance mechanisms, DNA, or genetic
information translation into behavior, morphology, or psychology. However, they used their
intuitions to comprehend that inheritance was a behavioral factor (Szyf, 2017). Currently, it is
well recognized that that behavior is influenced by the environment. The physiological and
morphologi...

MercyK254 (19639)
University of Virginia

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