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Austronesian Expansion of Paternal Admixture


Findings to date

Three Y-chromosome based tests reveal in-depth paternal ancestory.

1. With a 95% level of confidnece my most recent common male genetic common ancestor lived in Southeast Asia some 2700 years ago.
2. My present genetic marker is among those of the Out of Taiwan peopling of Southeast Asia.
3. Male populations with whom I share DNA exist from east to west in the countries of Myanmar to Taiwan, and the Philippines, and southward from China to Malaysia and Indonesia.

Discussion

As for my goal of a haplogroup portrayal of my ancestral clans path into the present millennia, my research pursues a paternal clan marker beyond the autosomal findings. For such I rely on the Y Full Panel search by the YSEQ lab in Berlin, Germany and on Next Generation Sequencing by two labs -- the Family Tree DNA (FTDNA) lab in Houston, Texas which conducted Y-chromosome test known as Big Y and and Whole Genome Sequencing by Nebula Genomics in San Francisco, California.

These testing strategies advanced the detection of the paternal genetic marker sequence from O-P164 to uncover markers for ancestors who lived more recently, such as these two markers with dates of my most recent ancestors who lived during the Neolithic Period (early agriculture) and into the present Holocene epoch. In timeline order these markers date from my common ancestors by their branch living --

13,800 years ago in Branch O-F996 also known as F871

12,200 years ago in Branch O-F706 also known as F1903

Both of these markers refer to a geographical locations in China shown in Figure 23 and lend support to Harvard Scientist, Mark Lipson, findings of a genetic tracer dye for the Austronesian expansion ancestry present in peoples who today speak Austronesian languages and which supports the out of Tawain theory. He finds nearly all people who speak such languages have some ancestry closer to aboriginal Taiwanese than to mainland East Asian population.

However, paternal populations bearing the O-706 marker cover a wide swath of Southeast Asia, as confirmed by FTDNA reference population groups in Cambodia, China, and the Philippines.

Continued searching for more recent ancestral markers, the FTDNA Big Y-500 test uncovered two additional markers with dates of more recent ancestors :

4,700 years ago in AM01750 also known as O-AM01861 and likely originating in the mainland of Southeast Asia. around five thousand years ago, mainland East Asian farming spread to Taiwan, where the deepest branches of the Austronesian language family are found. These farmers spread southward to the Philippines about four thousand years ago, and farther south around the large island of New Guinea and into the smaller islands to its east.43 At about the time they spread from Taiwan they probably invented outrigger canoes, boats with logs propped on the side that increase their stability in rough waters, making it possible to navigate the open seas. After thirty-three hundred years ago, ancient peoples making pottery in a style called Lapita appeared just to the east of New Guinea and soon afterward started expanding farther into the Pacific, quickly reaching Vanuatu three thousand kilometers from New Guinea. It took only a few hundred more years for them to spread through the western Polynesian islands including Tonga and Samoa, and then, after a long pause lasting until around twelve hundred years ago, they spread to the last habitable Pacific islands of New Zealand, Hawaii, and Easter Island by eight hundred years ago. The Austronesian expansion to the west was equally impressive, reaching Madagascar off the

~2,700 years ago in Branch O-A16139 also known as O-A16427 and living into present millennium. This timeframe enables me to add a cultural dimension to my Southeast Asia archaic ancestors. As the result of Radio Carbon dating from the Thai site of Ban Chiang reveals evidence of Bronze Age work of 2100 BCE. Interestingly archaeology also suggests that Bronze Age metallurgy in Southeast Asia may not have been a major catalyst for cultural change as happened elsewhere.

These markers can be viewed in the International Society of Genetic Genealogists (ISOGG), haplogroup O chart of May, 2018 and by the YFull timeline around the year 2,700 years ago as shown in Table 10.

Table 10
My Genetic Marker O-A16139
by YFull Y Chart 16 January 2020

Geographically, the migrations ementating from Taiwan suggests my more recent paternal ancestry exists within a broad geographical area of Southeast Asia. Eastward the area extends from Myanmar (Borneo) to Taiwan and the Philippines. Southward, it extends from China to Malaysia and Indonesia. Even more recently, as a result of the FTDNA Big Y-test, the marker O-A16139/O-A16427 is assigned with a date as recent as sometime around the year 700 BCE with a level of 95% confidence, just some 2,700 years ago.

As for the peopling of the islands of Southeast Asia emanating from Taiwan, one study points out, through analyses of mitochondrial DNA (mtDNA) and Y chromosomal DNA there exists a genetic affinity between indigenous Taiwanese and the populations of Southeast Asia.

Much of my goal has been achieved of portraying my paternal haplogroup clan's ancestral path into the second millennium of the common era. It began in the Asian mainland 43,000 years ago and I suspect presently falls within the geographical area in Figure 24.

Figure 24
Out of Taiwan Austronesian Southeast Asia Expansion

Austronesia Area Map

For the moment, my thoughts on learning the path of my paternal ancestry in the present millennia are best expressed by the words of Roberta Estes about her DNA research for a paternal ancestor, "If I’m incredibly lucky, maybe there will be a family line SNP (Novel Unnamed Variant) and it won’t just narrow the line, it will give me a long-awaited answer by genetically announcing which line was his."

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