Human Genome terms starting with D

24 terms

  1. Data warehouse A collection of databases, data tables, and mechanisms to access the data on a single subject.
  2. Deletion Deletion is the process whereby data is removed from active files and other data storage structures on computers and rendered inaccessible except using…
  3. Deletion map A description of a specific chromosome that uses defined mutations --specific deleted areas in the genome-- as 'biochemical signposts,' or markers for…
  4. Deoxyribonucleic Acid (DNA) a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses.
  5. Deoxyribonucleotide See: nucleotide.
  6. Deoxyribose A type of sugar that is one component of DNA (deoxyribonucleic acid).
  7. diabetes mellitus (dye-a-BEE-teez MEL-ih-tus) A group of disorders in which there is a defect in the transfer of glucose (sugar) from the bloodstream into cells, leading to…
  8. Diploid The status of having two complete sets of chromosome s, most commonly one set of paternal origin and the other of maternal origin.
  9. Directed evolution A laboratory process used on isolated molecules or microbes to cause mutations and identify subsequent adaptations to novel environments.
  10. Directed mutagenesis The generation of changes in the nucleotide sequence of a cloned gene by one of several procedures.
  11. Directed sequencing Successively sequencing DNA from adjacent stretches of chromosome.
  12. Disease-associated genes Alleles carrying particular DNA sequences associated with the presence of disease.
  13. DNA (deoxyribonucleic acid) An organic acid and polymer composed of four nitrogenous bases--adenine, thymine, cytosine, and guanine linked via intervening units of phosphate and the…
  14. DNA bank A service that stores DNA extracted from blood samples or other human tissue.
  15. DNA probe See: probe.
  16. DNA repair genes Genes encoding proteins that correct errors in DNA sequencing.
  17. DNA replication (… reh-plih-KAY-shun) The process by which a copy of the DNA in a cell is made before the cell divides.
  18. DNA sequence The relative order of base pairs, whether in a DNA fragment, gene, chromosome, or an entire genome. See also: base sequence analysis
  19. DNA sequencing Procedures for determining the nucleotide sequence of a DNA fragment.
  20. Domain A sub-network of servers and computers within a LAN. Domain information is useful when restoring backup tapes, particularly of email.
  21. Dominant An allele is said to be dominant if it expresses its phenotype even in the presence of a recessive allele. See Allele, Phenotype, Recessive.
  22. Double helix Describes the coiling of the antiparallel strands of the DNA molecule, resembling a spiral staircase in which the paired bases form the steps and the…
  23. Draft sequence The sequence generated by the HGP as of June 2000 that, while incomplete, offers a virtual road map to an estimated 95% of all human genes.
  24. duplication Multiple occurrence of: 1. A DNA sequence within a defined length of DNA; or 2. A specific segment in the same chromosome or genome.