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Results 1 - 10 of 4,351 for copy
  1. Can a change in the number of genes affect health and development?: MedlinePlus Genetics 
    People have two copies of most genes, one copy inherited from each parent. In some cases, however, the number of copies varies—meaning that a person can have one, ...
    https://medlineplus.gov/.../copynumbervariation - Genetics
  2. 17q12 deletion syndrome 
    ... 17. This deletion affects one of the two copies of chromosome 17 in each cell.The deleted ... The rearrangement can lead to missing or extra copies of DNA at 17q12. (The presence of an ...
    https://medlineplus.gov/genetics/condition/17q12-deletion-syndrome - Genetics
  3. Potocki-Lupski syndrome 
    ... a condition that results from having an extra copy (duplication) of a small piece of chromosome 17 ... of these duplications affect one of the two copies of chromosome 17 in each cell.Although the ...
    https://medlineplus.gov/genetics/condition/potocki-lupski-syndrome - Genetics
  4. 17q12 duplication 
    ... Most people with 17q12 duplications have an extra copy of about 1.4 million DNA building blocks ( ... 17. This duplication affects one of the two copies of chromosome 17 in each cell.The duplicated ...
    https://medlineplus.gov/genetics/condition/17q12-duplication - Genetics
  5. 3q29 microdeletion syndrome 
    ... 3. This deletion affects one of the two copies of chromosome 3 in each cell.The segment ... The rearrangement can lead to missing or extra copies of DNA at 3q29. (An extra copy of ...
    https://medlineplus.gov/.../condition/3q29-microdeletion-syndrome - Genetics
  6. 47,XYY syndrome 
    47,XYY syndrome is characterized by an extra copy of the Y chromosome in each of an ... is caused by the presence of an extra copy of the Y chromosome in each of a ...
    https://medlineplus.gov/genetics/condition/47xyy-syndrome - Genetics
  7. 1q21.1 microdeletion 
    ... varies. This deletion affects one of the two copies of chromosome 1 in each cell.The signs ... missing genetic material from one of the two copies of chromosome 1 in each cell is sufficient ...
    https://medlineplus.gov/genetics/condition/1q211-microdeletion - Genetics
  8. Smith-Magenis syndrome 
    ... written as 3.7 megabases (Mb). (An extra copy of this segment causes a related condition called ... of the deletions affect one of the two copies of chromosome 17 in each cell.Although the ...
    https://medlineplus.gov/genetics/condition/smith-magenis-syndrome - Genetics
  9. 22q11.2 duplication 
    ... duplication is a condition caused by an extra copy of a small piece of chromosome 22. The ... People with 22q11.2 duplication have an extra copy of some genetic material at position q11.2 ...
    https://medlineplus.gov/genetics/condition/22q112-duplication - Genetics
  10. STRC gene 
    ... with this condition have the deletion in both copies of chromosome 15 in each cell. As a ...
    https://medlineplus.gov/genetics/gene/strc - Genetics
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