mitochondrial DNA
noun Date: 1964 an extranuclear double-stranded DNA found exclusively in mitochondria that in most eukaryotes is a circular molecule and is maternally inherited — abbreviation mtDNA

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Mitochondrial DNA — (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell rather than in the nucleus (where all the other chromosomes are located). All mtDNA is inherited from the mother. There are 2 to 10 copies of the mtDNA… …   Medical dictionary

  • Mitochondrial DNA — Human mitochondrial DNA …   Wikipedia

  • mitochondrial DNA — Abbreviation: mtDNA A circular DNA found in mitochondria. In mammals, mtDNA makes up less than 1% of the total DNA, but in plants the amount is variable. It encodes rRNA and tRNA and some mitochondrial proteins (up to 30 in animals) …   Glossary of Biotechnology

  • mitochondrial DNA — a form of DNA, the chemical basis of heredity, found in the mitochondria (or energy producing structures within cells) and used to identify and relate fish species …   Dictionary of ichthyology

  • mitochondrial DNA —   (mtDNA)   Haploid DNA molecule present in the mitochondrion; commonly used in genetic studies.   Cf. cpDNA, nDNA …   Expanded glossary of Cycad terms

  • mitochondrial DNA — noun : an extranuclear double stranded DNA found exclusively in mitochondria that in most eukaryotes is a circular molecule and is maternally inherited abbreviation mtDNA …   Useful english dictionary

  • mitochondrial DNA — noun the genetic material, inherited by cloning from ones mother, contained within the mitochondria of each of ones cells …   Wiktionary

  • Mitochondrial DNA (journal) — Mitochondrial DNA   Abbreviated title (ISO) MDN Discipline CellBiology/Genetics/Evolution …   Wikipedia

  • Human mitochondrial DNA haplogroup — Hypothesized world map of human migrations, with the North Pole at center. Africa, harboring the start of the migration, is at the top left and South America at the far right. Migration patterns are based on studies of mitochondrial (matrilinear) …   Wikipedia

  • Mitochondrial disease — Classification and external resources Micrograph showing ragged red fibres, a finding seen in mitochondrial diseases. Muscle biopsy. Gomori trichrome stain …   Wikipedia

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