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Genes are the building blocks of heredity. They are passed from parent to child. They hold DNA, the instructions for making proteins. Proteins do most of the work in cells. They move molecules from one place to another, build structures, break down toxins, and do many other maintenance jobs.

Sometimes there is a mutation, a change in a gene or genes. The mutation changes the gene's instructions for making a protein, so the protein does not work properly or is missing entirely. This can cause a medical condition called a genetic disorder.

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Illustration of chromosomes and DNA
Results 1 - 10 of 4,390 for genetics disorders
  1. Genetic Disorders (National Library of Medicine)  
    ... This can cause a medical condition called a genetic disorder. You can inherit a gene mutation from one ... during your lifetime. There are three types of genetic disorders: Single-gene disorders, where a mutation affects one ...
  2. Genetic Brain Disorders (National Library of Medicine)  
    A genetic brain disorder is caused by a variation or a mutation in a gene. A variation is a different form ... A mutation is a change in a gene. Genetic brain disorders affect the development and function of the brain. ...
  3. Frequently Asked Questions about Genetic Disorders From the National Institutes of Health (National Human Genome Research Institute)  
    ... used on this page Frequently Asked Questions About Genetic Disorders What are genetic disorders? A genetic disorder is a disease caused in ... significant risk of developing the disease. . Geneticists group genetic disorders into three categories: Monogenetic disorders are caused by ...
  4. The Basics on Genes and Genetic Disorders KidsHealth > Teens > Body > Health Basics > The Basics on Genes and Genetic Disorders Print A A A Text Size What's in this ...
  5. Gene Therapy for Diseases and Genetic Disorders (American Society of Gene & Cell Therapy)  
    ... notable advancements are the following: Gene Therapy for Genetic Disorders Severe Combined Immune Deficiency (ADA-SCID) ADA-SCID ... in preclinical animal models of this disease. Other genetic disorders After many years of laboratory and preclinical research ...
  6. Genetic Disorders (American College of Obstetricians and Gynecologists) - PDF  
    ... chromosomes? • What determines my baby’s sex? • What causes genetic disorders? • What causes chromosome disorders? • What is aneuploidy? • What ... prenatal tests are available to address concerns about genetic disorders? • When are screening tests offered during pregnancy and ...
  7. Genetics, Disease Prevention and Treatment From the National Institutes of Health (National Human Genome Research Institute)  
    ... for the genetic terms used on this page Genetics, Disease Prevention and Treatment Overview How can learning about ... gov] Top of page How can knowing about genetics help treat disease? Every year, more than two million Americans have ...
  8. Specific Genetic Disorders From the National Institutes of Health (National Human Genome Research Institute)  
    ... links from the National Institutes of Health. Specific Genetic Disorders Many human diseases have a genetic component. Some ... Below you will find a list of selected genetic, orphan and rare diseases. This list is by no means comprehensive. If ...
  9. Genetic Disease Foundation (Genetic Disease Foundation)  
    There are over 6,000 genetic disorders that can be passed down through the generations, many of which are fatal or severely debilitating. Since 1997, the GDF has ...
  10. ClinicalTrials.gov: Genetic Diseases, Inborn From the National Institutes of Health (National Institutes of Health)  
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