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Related Concept Videos

Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
Nurses' Legal Responsibilities I01:27

Nurses' Legal Responsibilities I

In healthcare, informed consent is a crucial process that involves thoroughly communicating medical treatment options to patients, including benefits, risks, potential side effects, and alternatives. This process enables patients to make well-informed decisions about their care, ensuring they understand the implications of their choices before consenting to or refusing treatment.
The legal responsibilities of a nurse regarding informed consent include the following:
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

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...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

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.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...

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Related Experiment Video

Updated: Jul 12, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

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Published on: August 24, 2013

What do patients prefer: informed consent models for genetic carrier testing.

K E Ormond1, M Iris, S Banuvar

  • 1Department of Medicine, Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. k-ormond@northwestern.edu

Journal of Genetic Counseling
|May 12, 2007
PubMed
Summary

Genetic carrier testing requires informed consent balancing detail and brevity. Patients prefer clear information on conditions, logistics, and outcomes to reduce anxiety and confusion during pregnancy screening.

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Published on: January 16, 2019

Area of Science:

  • Medical Genetics
  • Reproductive Medicine
  • Bioethics

Background:

  • Genetic carrier testing is expanding to numerous conditions.
  • Current pre-test informed consent models vary significantly.
  • Limited data exists on patient preferences and information impact on decision-making.

Purpose of the Study:

  • To assess patient knowledge and preferences regarding genetic carrier testing informed consent.
  • To identify critical areas for improving the informed consent process for genetic screening.

Main Methods:

  • Conducted eight high-literacy focus groups with pregnant patients and their partners.
  • Assessed participant understanding and preferences for information delivery.

Main Results:

  • Most participants favored a balance between detailed information and brevity.
  • Excessive information can cause anxiety and confusion.
  • Key areas for consent include condition details, logistics, positive test implications, and prognosis/resources.

Conclusions:

  • Developing balanced, informative consent models is crucial for genetic carrier testing.
  • Prospective assessment of consent programs can improve patient satisfaction and understanding.