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Questions and Answers

What is the most common type of chromosomal abnormality?

Aneuploidy.

What is the most widespread use of genetic testing?

Newborn screening.

The American College of Medical Genetics (ACMG) recommends a panel of $29$ genetic conditions for newbornscreening.

True (A)

Which of these are examples of genetic conditions that may be caused by larger mutations in chromosomes? (Select all that apply)

<p>Chromosomal abnormalities (B)</p> Signup and view all the answers

What is the most common type of chromosomal abnormality in newborns?

<p>Trisomy, meaning three copies of a chromosome instead of monosomy.</p> Signup and view all the answers

What are the five basic modes of inheritance for single-gene diseases? (Select all that apply)

<p>Autosomal dominant (A), Autosomal recessive (B), X-linked dominant (C), X-linked recessive (D), Mitochondrial (E)</p> Signup and view all the answers

What does a genotype refer to in genetics?

<p>The gene(s) associated with a specific trait.</p> Signup and view all the answers

What is the primary focus of pharmacogenetics?

<p>Maximizing therapeutic effects and decreasing adverse drug responses.</p> Signup and view all the answers

The "gene for" phrase suggests that multiple genes are associated with one specific trait.

<p>False (B)</p> Signup and view all the answers

What does the acronym ELSI stand for?

<p>Ethical, Legal, and Social Issues</p> Signup and view all the answers

Why may the term "Cultural Competency" be misleading?

<p>It is not possible to truly achieve full competence in any particular culture.</p> Signup and view all the answers

What does the acronym NCHPEG stand for?

<p>National Coalition for Health Professional Education in Genetics.</p> Signup and view all the answers

What is the primary focus of the NCHPEG's principles for health professionals?

<p>Basic biology related to genetics.</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to patient care.

<p>False (B)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to biological variation.

<p>True (A)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to the environment.

<p>True (A)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to cell biology.

<p>True (A)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to classical (Mendelian) genetics.

<p>True (A)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to molecular genetics.

<p>True (A)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to development.

<p>True (A)</p> Signup and view all the answers

The NCHPEG's principles for health professionals have a section related to new genetic technology.

<p>True (A)</p> Signup and view all the answers

The CDC's Genomic Competencies for All Public Health Professionals and Clinicians, includes a section on genomics in clinical services.

<p>True (A)</p> Signup and view all the answers

What organization is responsible for producing Making Sense of Your Genes: A Guide to Genetic Counseling?

<p>Genetic Alliance.</p> Signup and view all the answers

What organization is responsible for producing Core Competencies in Genetics Essential for All Health-Care Professionals?

<p>National Coalition for Health Professional Education in Genetics (NCHPEG).</p> Signup and view all the answers

What organization is responsible for producing Genomics Competencies for the Public Health Workforce?

<p>Centers for Disease Control and Prevention (CDC).</p> Signup and view all the answers

Flashcards

Genetics

The study of genes and heredity.

Cells

Basic units of life.

Genome

Complete set of genetic material in a cell.

DNA

Deoxyribonucleic acid, the molecule that carries genetic instructions.

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Chromosomes

Organized structures of DNA.

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Genes

Basic units of heredity.

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Single-gene disease

Disease caused by mutations in a single gene.

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Chromosomal disease

Disease caused by abnormalities in chromosomes.

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Multifactorial disease

Disease caused by a combination of genes and environment.

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Autosomal dominant

Inheritance pattern where one mutated copy is enough to cause disease.

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Autosomal recessive

Inheritance pattern where two mutated copies are needed to cause disease.

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X-linked

Inheritance pattern linked to sex chromosomes.

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Genetic variation

Differences in DNA sequences among individuals.

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Mutation

Change in DNA sequence.

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Polymorphism

Variations in DNA that do not cause disease.

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Newborn screening

Testing newborns for genetic diseases.

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Family history

Record of medical conditions in a family.

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Pedigree

Chart showing family relationships and health conditions.

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Genetic testing

Tests used to identify genetic changes.

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Cytogenetic testing

Examining whole chromosomes for abnormalities.

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Biochemical testing

Measuring proteins or metabolites to diagnose genetic diseases.

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Molecular testing

Analyzing DNA sequences for mutations.

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Study Notes

Introduction

  • This is a New York - Mid-Atlantic guide for patients and health professionals on understanding genetics, produced by a partnership between Genetic Alliance and NYMAC.

Project Staff

  • Project Director: Amelia Chappelle, MA, MS
  • Associate Director of Genetics Resources and Services: Amelia Chappelle, MA, MS
  • Executive Editor: Sharon F. Terry, MA
  • President and CEO, Genetic Alliance: Sharon F. Terry, MA
  • Lead Planner/Genomics: Beverly C. Burke, MSW
  • Genetic Alliance Project Staff: Kurt Christensen, MPH, Amy Garrison, Intern, Alice Hawkins, MS, MPH, Hanaa Rifaey, MA, Elizabeth Terry, Michelle Waite, Lisa Wise, Susanne B. Haga, PhD, Judith Benkendorf, MS, CGC, Joann Boughman, PhD, Siobhan M. Dolan, MD, MPH, Luba Djurdjinovic, MS, W. Andrew Faucett, MS, CGC, Nancy Green, MD, Maggie Hoffman, Dale Halsey Lea, MPH, RN, CGC, FAAN, Michele A. Lloyd-Puryear, MD, PhD, Joan O. Weiss, MSW, ACSW, Kenneth A. Pass, PhD, Louis E. Bartoshesky, MD, MPH, MALS, Katharine B. Harris, MBA
  • NYMAC Project Director: Katharine B. Harris, MBA
  • NYMAC Project Coordinator: Bonnie L. Fredrick, MS
  • NYMAC Patient and Family Coordinator: Kate Tullis, PhD

Table of Contents

  • The guide covers genetics 101, diagnosis of genetic disease, taking a family history, newborn screening, genetic counseling, indications for genetic referrals, and the psychological and social implications of these topics.
  • Specific topics examined in different chapters include cells, genomes, DNA, and genes; types of genetic disease; laws of inheritance; genetic variation; history and physical examination; red flags for genetic disease; uses of genetic testing; pedigree and family history taking; importance of family history; how to take a family medical history; pedigrees; newborn screening; screening procedure and follow-up; retesting; clinical evaluation and diagnostic testing; treatment; newborn screening programs; newborn hearing screening; screening procedure; retesting; treatment; genetic counseling; role of genetic counseling; process of genetic counseling; patient education; indications for genetic referral; family history; delayed growth and development; reproductive issues; psychological and social implications; impact of a genetic diagnosis; patient stories and consumer profiles.

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