23andMe has by far the most specific and up to date DNA breakdowns for all South Asian populations.
With a reference panel of over 83,000 South Asians and growing, there is no recent DNA study that can compare.
The results of 23andMe corroborate the following 2015 study:
With a reference panel of over 83,000 South Asians and growing, there is no recent DNA study that can compare.
The results of 23andMe corroborate the following 2015 study:
The following Sinhala results all show a predominant South Indian ancestry, but with significant North Indian admixture (mainly Bengali). Four Bengali results are also included for comparison:
The vast majority of these 23andMe samples are low country Sinhalese, particularly with Portuguese surnames, suggesting that they are coastal castes.
Some of the samples are low country Govigama who are also predominantly South Indian in DNA.
They differ markedly from typical North Indian and Bengali results.
The vast majority of these 23andMe samples are low country Sinhalese, particularly with Portuguese surnames, suggesting that they are coastal castes.
Some of the samples are low country Govigama who are also predominantly South Indian in DNA.
They differ markedly from typical North Indian and Bengali results.
2023 UPDATE
Consistent with the results of 23andMe, a 2023 study by Singh et al has also found a predominant South Indian ancestry amongst the Sinhalese with a minority of north Indian ancestry. This study used higher resolution markers than previous studies for greater accuracy.
23andMe examples
(1) Perera 1:
(2) Wijewardene:
(3) Karunathilaka:
(4) Dias:
(1) Perera 1:
(2) Wijewardene:
(3) Karunathilaka:
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