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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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Genomic Imprinting and Inheritance02:30

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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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Probability Laws01:49

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Overview
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Behavioral Genetics and Its Designs01:23

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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: Overview01:29

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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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Related Experiment Video

Updated: Feb 19, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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Personal Genomic Testing, Genetic Inheritance, and Uncertainty.

Paul H Mason1

  • 1School of Social Sciences, Monash University, Clayton, Australia. paul.mason@sydney.edu.au.

Journal of Bioethical Inquiry
|November 10, 2017
PubMed
Summary

Personal genomic testing provides intriguing ancestry insights but raises concerns about Alzheimer's disease risk. This case explores the ethical and medical uncertainties of genetic data for individuals and families.

Keywords:
Alzheimer’s diseaseGenetic inheritanceGenomic testingHealth literacyMedical uncertaintyRight to an open future

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Area of Science:

  • Genomics
  • Bioethics
  • Neurodegenerative Diseases

Background:

  • Personal genomic testing offers insights into ancestry and health predispositions.
  • Interpreting complex genetic data, especially for diseases like Alzheimer's, presents challenges.

Observation:

  • An individual, Jordan, received conflicting personal genomic test results.
  • Results included intriguing ancestry data and ambiguous, worrying Alzheimer's disease risk information.

Findings:

  • The genomic reports created medical uncertainty regarding Alzheimer's disease risk.
  • Jordan faced dilemmas about sharing genetic information with children due to potential health implications.

Implications:

  • The case highlights the ethical considerations of genetic inheritance disclosure to offspring.
  • It underscores the need for clear guidelines in interpreting and communicating personal genomic data for health and aging.