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Related Concept Videos

Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
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Principles of Pharmacogenetics: Types of Genetic Variants01:27

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The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
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Pharmacogenetics and pharmacogenomics examine how genetic factors influence an individual's response to drugs. While pharmacogenetics focuses on the impact of specific genetic variants on drug effects, pharmacogenomics takes a broader approach, studying how genetic variation across populations contributes to differences in drug responses. These fields aim to explain why individuals may experience varying levels of efficacy or adverse reactions to the same medication.Variability in drug...
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Reflecting Before Testing : Comment on "Personal Genomic Testing, Genetic Inheritance, and Uncertainty".

Jacqueline Savard1

  • 1Sydney Health Ethics, The University of Sydney, Level 1, Medical Foundation Building, K25, University of Sydney, Camperdown, NSW, 2006, Australia. jacqueline.savard@sydney.edu.au.

Journal of Bioethical Inquiry
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Summary

This commentary examines consumer motivations for genetic testing. It highlights the importance of adequate information, decision-making time, and life-stage appropriateness for genetic tests.

Keywords:
Decision-makingEthicsOnline genetic testingPersonal genomics

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Area of Science:

  • Medical Ethics
  • Consumer Health

Background:

  • Case study by Mason (2017) on Jordan provides context.
  • Commentary focuses on decision-making in genetic testing.

Purpose of the Study:

  • To analyze consumer motivations for undergoing genetic testing.
  • To evaluate the adequacy of information and time for informed decisions.
  • To assess the life-stage appropriateness of genetic tests for consumers.

Main Methods:

  • Literature review and critical analysis of a presented case study.
  • Ethical considerations in genetic testing informed consent.

Main Results:

  • Consumer motivations for genetic testing are multifaceted.
  • Information and time are critical factors in decision-making.
  • Test appropriateness varies with individual life stages.

Conclusions:

  • Healthcare providers must consider consumer motivations and decision-making capacity.
  • Genetic testing requires careful evaluation of individual circumstances and life stage.
  • Ethical frameworks should guide the provision of genetic testing services.