16 1 Homework Genetic Screening

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16 1 Homework 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.

For this week’s Discussion, you examine the relationship between
environment and gene expression, and consider ethical implications of
genetic screening for medical and psychological disorders.

With these thoughts in mind:

Post by Day 4 a description of how environment and
experience might impact gene expression. Explain why possessing a gene
making one vulnerable to disease does not necessarily result in
developing the disease. Finally, describe two ethical considerations
when using genetic screening for medical and psychological disorders.
Support your postings and responses with specific references to the
literature and Learning Resources.

Readings

  • Breedlove, S. M., & Watson, N. V. (2018). Behavioral neuroscience (8th ed.) New York, NY: Oxford University Press.
    • Chapter 7, “Life-Span Development of the Brain and Behavior”
  • Jacobson, K. (2009). Considering interactions between genes, environments, biology, and social context. Psychological Science Agenda, 23(4).
    Retrieved from the Walden Library databases.
  • Lebel, C., Roussotte, F., & Sowell, E. R. (2011). Imaging the
    impact of prenatal alcohol exposure on the structure of the developing
    human brain. Neuropsychology Review, 21(2), 102–118. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/21369875
  • Murgatroyd, C., & Spengler, D. (2011). Epigenetics of early child development. Front Psychiatry, 2(16), 1–16. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/21647402

Media

  • Sinauer Associates, Inc. (Producer). (2010). Stages of Neuronal Development. Available from https://www.bn8e.com/