Mitochondrial inheritance

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The Correct Answer is B

Maternal pattern of transmission

Mitochondrial inheritance
2 distinctive features

  • Human mitochondrial genetics: Genetics, DNA, Mitochondrion, Nuclear DNA, Mitochondrial DNA, Ovum, Non-Mendelian inheritance, Mendelian inheritance, Paternal mtDNA transmissionmatrilineal inheritance
both sexes affected but transmission only by females as mitochondria are only maternally derived

  • hetroplasmy
the presence of both normal & mutation carrying mitochondrial DNA in a cell – explains wide phenotypic variation between affected individuals in a family




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