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Results 1 - 10 of 63 for "Deoxyribonucleic acid"
  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. 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
  3. What is DNA?: MedlinePlus Genetics 
    DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. What is epigenetics?: MedlinePlus Genetics 
    ... how cells control gene activity without changing the DNA sequence."Epi-"means on or above in Greek, ... the genetic code. Epigenetic changes are modifications to DNA that regulate whether genes are turned on or ...
    https://medlineplus.gov/.../understanding/howgeneswork/epigenome - Genetics
  9. What are genome editing and CRISPR-Cas9?: MedlinePlus Genetics 
    ... scientists the ability to change an organism's DNA. These technologies allow genetic material to be added, ... viruses, bacteria capture small pieces of the viruses' DNA and insert them into their own DNA in ...
    https://medlineplus.gov/.../genomicresearch/genomeediting - Genetics
  10. What is a gene variant and how do variants occur?: MedlinePlus Genetics 
    ... gene variant is a permanent change in the DNA sequence that makes up a gene. This type ... as a gene mutation, but because changes in DNA do not always cause disease, it is thought ...
    https://medlineplus.gov/.../mutationsanddisorders/genemutation - Genetics
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