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Results 1 - 10 of 1,607 for dna
  1. Can changes in noncoding DNA affect health and development?: MedlinePlus Genetics 
    ... Scientists have determined that changes in regions of DNA that do not contain genes (noncoding DNA) can also lead to disease. Many regions of noncoding DNA play a role in the control of gene ...
    https://medlineplus.gov/.../noncondingdnahealth - Genetics
  2. Prenatal Cell-Free DNA Screening: MedlinePlus Medical Test 
    Prenatal Cell-Free DNA Screening What is a prenatal cell-free DNA (cfDNA) screening? Prenatal cell-free DNA (cfDNA) screening is a blood test for pregnant people. During pregnancy , some of the unborn baby's DNA circulates in the pregnant person's bloodstream. A cfDNA ...
    https://medlineplus.gov/lab-tests/prenatal-cell-free-dna-screening - Medical Tests
  3. What is circulating tumor DNA and how is it used to diagnose and manage cancer?: MedlinePlus Genetics 
    Circulating tumor DNA (ctDNA) is found in the bloodstream and refers to DNA that comes from cancerous cells and tumors. Most DNA is inside a cell’s nucleus. As a ...
    https://medlineplus.gov/.../testing/circulatingtumordna - Genetics
  4. What is DNA?: MedlinePlus Genetics 
    DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every ... in a person’s body has the same DNA. Most DNA is located in the cell nucleus ( ...
    https://medlineplus.gov/genetics/understanding/basics/dna - Genetics
  5. What is noncoding DNA?: MedlinePlus Genetics 
    Only about 1 percent of DNA is made up of protein-coding genes; the other 99 percent is noncoding. Noncoding DNA does not provide instructions for making ...
    https://medlineplus.gov/genetics/understanding/basics/noncodingdna - Genetics
  6. Can changes in mitochondrial DNA affect health and development?: MedlinePlus Genetics 
    ... a form that cells can use. Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA (known as mitochondrial DNA or mtDNA). In some ...
    https://medlineplus.gov/.../mitochondrialconditions - Genetics
  7. What does it mean to have Neanderthal or Denisovan DNA?: MedlinePlus Genetics 
    ... to-consumer genetic testing companies report how much DNA a person has inherited from prehistoric humans, such ... reported as a percentage that suggests how much DNA an individual has inherited from these ancestors. The ...
    https://medlineplus.gov/.../dtcgenetictesting/neanderthaldna - Genetics
  8. Cells and DNA: MedlinePlus Genetics 
    What is a cell? What is DNA? What is a gene? What is a chromosome? How many chromosomes do people have? What is noncoding DNA? Learn how to cite this page
    https://medlineplus.gov/genetics/understanding/basics - Genetics
  9. SUCLA2-related mitochondrial DNA depletion syndrome 
    SUCLA2-related mitochondrial DNA (mtDNA) depletion syndrome is an inherited disorder that affects the early development of the brain. Affected infants typically ...
    https://medlineplus.gov/...ated-mitochondrial-dna-depletion-syndrome - Genetics
  10. TK2-related mitochondrial DNA depletion syndrome, myopathic form 
    TK2-related mitochondrial DNA depletion syndrome, myopathic form (TK2-MDS) is an inherited condition that causes progressive muscle weakness (myopathy).The ...
    https://medlineplus.gov/...ial-dna-depletion-syndrome-myopathic-form - Genetics
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