Melanesian GeneticsA Melanesian Genetics
In D14S13, for example, the allele sizes of more than 9.0 kb or 4.5 to 4.7 kb in that population were less than half as common as in the other population. There were groups of aeologies in one or more places whose frequency was different for some ethnical groups and therefore could be used to distinguish one group from the other.
Behavioral analysis in Hawaii shows 2-1 Asian-Melanesian addition in Polynesia
are still about 38% of Hawaii's total populace, but most of them have today blended ancestors. It can help to better understanding them and also contains some interesting insights into the general origin of the Polynesians, whose Melanesian descent is proving to be very significant. There is still a great deal of research to do on the populations genetics of the Hawaiian people, and the origin of the Polynesians remains questionable.
We have used high-resolution genome-wide SNP datasets and genomic midochondrial villi of 148 and 160 Hawaiians, respectively, to characterise their populations of the atomic and midochondrial germ, their origin and their populations. Hawaiians who themselves covered their entire legacy of Hawaii showed 78% indigenous Hawaiians, 11.5% of Hawaiians of African origin and 7.8% of Asians, 99% of whom belonged to the bisochondrial Hapogroup Bra.
Estimates of the indigenous origin of Hawaiians for those who were reporting blended descent (i.e. 75% and 50% of the indigenous legacy of Hawaiians) were reconciled with their self-reported heritages. Significant percentage of Melanesian descent (mean = 32%) was evaluated in an ADMIXTURE study of Asiatic, Melanesian and indigenous hawaiian population, using the number of ancestor groups as an estimate of C=2.
The remarkable percentage of Melanesian admixtures support the slow-boat movement of the original Polynese people from East Asia to the Pacific Islands. Moreover, about 1,300 years ago, a unique, rapid growth of the indigenous people of Hawaii was assessed. It provides important insights into the basic demographic composition of the indigenous Hawaiians and thus provides the basis for further genetically related associative research of this US minoritarian group.
As I understand it, the most interesting aspects of this report are the AMIXTURE analyses: Domestic Hawaiian AMIXTURE clusters for C = 5 (A) and C = 6 (B). Figure 1A and Figure IB show the clusters of Hawaiians and HGDP sampling using GWAS information. Since the general mixture of the Melanesian and Asiatic affinity of the Hawaiian people was not really coherent, the writers also carried out a monitored K=2 analysis:
Monitored ADMIXTURE results for C = 2..... It seems to show quite clearly that Hawaiians (and thus certainly other Polynesians who are very similar in Pacific genetics and history) have an important amount of Melanesian genetics that is in line with the "slow boat" pattern and the importance of the Melanesian Y-DNA-hilogroup C2a among all of Polynesia's population.