Mitochondrion (mtDNA)

A mitochondrion has several copies of its own genome, and there are several hundred mitochondria per cell. (image of mitochondrion)

cell image,mitochondria,genome,mitochondrion

  • ID: 15605
  • Source: DNALC.DNAi

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16646. Concept 30: Higher cells incorporate an ancient chromosome.

Mitochondria contain a circular genome molecule, tightly packed with genes.

  • ID: 16646
  • Source: DNAFTB

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DNA found in the mitochondrion of a cell differs in structure and is separate from the DNA found in the cell nucleus. Mitochondrial DNA, or mtDNA, exists as a circular loop of double-stranded DNA rather than the linear form found in nuclear DNA. However,

  • ID: 15978
  • Source: DNAi

15418. Mitochondrial DNA, Matt Ridley

Matt Ridley talks about Mitochondrial DNA.

  • ID: 15418
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16647. Higher cells incorporate an ancient chromosome.

DNAFTB Animation 30: Ivan Wallin presents his idea that mitochondria and chloroplasts were once free-living organisms.

  • ID: 16647
  • Source: DNALC.DNAFTB

15977. Maternal inheritance

Unlike nuclear DNA, mtDNA is  inherited solely from the mother. (Mitochondria are predominantly from the mother’s egg and not from the father’s sperm.) Therefore, mtDNA sequences or orders of nucleotides generally remain constant over many generation

  • ID: 15977
  • Source: DNAi

15979. A mitochondrial DNA sequence

Human mitochondrial DNA is 16,569 base pairs in length.

  • ID: 15979
  • Source: DNAi

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Molecular geneticist Douglas Wallace talks about the origin of our mitochondria and the DNA within.

  • ID: 15179
  • Source: DNAi

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  • ID: 15070
  • Source: DNAi

15180. Inheritance of mitochondrial DNA, Douglas Wallace

Molecular geneticist Douglas Wallace talks about the way mitochondrial DNA is inherited.

  • ID: 15180
  • Source: DNAi

16087. Animal cell

Organelles in a typical animal cell.

  • ID: 16087
  • Source: DNAi