Mitochondrial DNA in most multicellular organisms is inherited from the mother during fertilization.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

5 sources for · 1 against

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Is it true that mitochondrial DNA in most multicellular organisms is inherited from the mother during fertilization?

Yes. The vast majority of scientific literature affirms that mitochondrial DNA in most multicellular organisms is predominantly inherited maternally, though rare instances of paternal leakage can occur under specific conditions such as distant hybridization.

Verdict: SUPPORTED · 5 sources for, 1 against · Last checked 4 Oct 2026

The analysis

The retrieved papers overwhelmingly support the standard biological consensus that mitochondrial DNA is maternally inherited across most multicellular taxa, driven by active evolutionary and cellular mechanisms designed to eliminate paternal mitochondria. While a few exceptional cases like hybridization-induced paternal leakage are documented, the primary weight of evidence remains overwhelmingly in favor of maternal inheritance.

Evidence for · 5

Gatekeepers of the Germ Line: How Mitochondria Shape Reproductive Evolution in Metazoans.

2025

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YT, S. & WX, Y. (2025). Gatekeepers of the Germ Line: How Mitochondria Shape Reproductive Evolution in Metazoans.. doi.org. https://doi.org/10.3390/biology14121728

Evidence against · 1

Evidence for Paternal Mitochondrial DNA Leakage in Diploid Hybrid Fish Lineages.

2026

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Y, Z., Q, X., W, C., S, F., Y, H., X, D., G, Z., K, L., M, C., H, Z., W, L., F, H., S, W., & S, L. (2026). Evidence for Paternal Mitochondrial DNA Leakage in Diploid Hybrid Fish Lineages.. doi.org. https://doi.org/10.3390/ani16040619

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More for · 4

Why selection for mitochondrial quality drives the evolution of sexes.

2026

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N, L. & A, P. (2026). Why selection for mitochondrial quality drives the evolution of sexes.. doi.org. https://doi.org/10.1098/rstb.2025.0076

DNA-polymerase guided elimination of paternal mitochondrial genomes: An escape-proof obstacle to their transmission

2016

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Yu, Z., O'Farrell, P. H., Yakubovich, N., & DeLuca, S. Z. (2016). DNA-polymerase guided elimination of paternal mitochondrial genomes: An escape-proof obstacle to their transmission. doi.org. https://doi.org/10.1101/086702

Mitochondria and the epigenome: maternal co-inheritance and crosstalk from oocyte to embryo.

2026

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SH, L. & XS, C. (2026). Mitochondria and the epigenome: maternal co-inheritance and crosstalk from oocyte to embryo.. doi.org. https://doi.org/10.1186/s12964-026-02844-w

Monitoring the fate of paternal mitochondria and their elimination in rice zygotes.

2026

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H, A., R, T., K, R., M, T., H, T., Y, G., M, S., K, T., & T, O. (2026). Monitoring the fate of paternal mitochondria and their elimination in rice zygotes.. doi.org. https://doi.org/10.1093/plphys/kiag609

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