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Investig Genet. 2015 Sep 3;6:11. doi: 10.1186/s13323-015-0028-9. eCollection 2015.

'Mutiny on the Bounty': the genetic history of Norfolk Island reveals extreme gender-biased admixture.

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Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Q Block, 66 Musk Avenue, Kelvin Grove Campus, Brisbane, QLD 4001 Australia.
Texas Biomedical Research Institute, San Antonio, TX 78227 USA.
Kenepuru Science Centre, Institute of Environmental Science and Research, Wellington, 5240 New Zealand.
School of Biological Sciences, Victoria University of Wellington, Wellington, 6140 New Zealand.
South Texas Diabetes and Obesity Institute, University of Texas Rio Grande Valley School of Medicine, Brownsville, TX 78520 USA.



The Pacific Oceania region was one of the last regions of the world to be settled via human migration. Here we outline a settlement of this region that has given rise to a uniquely admixed population. The current Norfolk Island population has arisen from a small number of founders with mixed Caucasian and Polynesian ancestry, descendants of a famous historical event. The 'Mutiny on the Bounty' has been told in history books, songs and the big screen, but recently this story can be portrayed through comprehensive molecular genetics. Written history details betrayal and murder leading to the founding of Pitcairn Island by European mutineers and the Polynesian women who left Tahiti with them. Investigation of detailed genealogical records supports historical accounts.


Using genetics, we show distinct maternal Polynesian mitochondrial lineages in the present day population, as well as a European centric Y-chromosome phylogeny. These results comprehensively characterise the unique gender-biased admixture of this genetic isolate and further support the historical records relating to Norfolk Island.


Our results significantly refine previous population genetic studies investigating Polynesian versus Caucasian diversity in the Norfolk Island population and add information that is beneficial to future disease and gene mapping studies.


Genetic isolate; Mitochondria; Norfolk Island; Population history; Y-chromosome

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