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Portrait reconstruction of I1743
Ancient Individual

A man buried in Peru in the Pre-Columbian South America era

I1743
1430 CE - 1485 CE
Male
Late Horizon San Sebastian, Peru 500 Years Ago
Peru
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I1743

Date Range

1430 CE - 1485 CE

Biological Sex

Male

mtDNA Haplogroup

A2

Y-DNA Haplogroup

Q-B48

Cultural Period

Late Horizon San Sebastian, Peru 500 Years Ago

Chapter II

Place

Where this individual was discovered

Country Peru
Locality Cusco. San Sebastián. Machu Piccu
Chapter III

Time

When this individual lived in the broader context of human history

I1743 1430 CE - 1485 CE
Chapter IV

Story

The narrative of this ancient life

The Late Horizon period (ca. AD 1470-1532) in Peruvian history represents the pinnacle of the Inca Empire, the largest pre-Columbian empire in the Americas. By 500 years ago, around AD 1523, the Incas were at their zenith, characterized by sophisticated statecraft, impressive engineering, and a rich cultural tapestry. The mention of \San Sebastian" refers to regions influenced by Inca expansion, where the legacy of this vast civilization left an indelible mark. Here is an extensive and detailed description of this flourishing era and culture within the broader context of the Inca civilization.

Political and Social Structure

The Inca Empire, known as Tawantinsuyu, meaning "The Four Regions," was a well-organized society with a hierarchical political structure. The Sapa Inca, or emperor, was considered a divine ruler descended from the sun god Inti. As such, he held immense power over both secular and religious matters. Beneath the emperor, a complex network of administrators managed the vast territories, ensuring control and unity across diverse ethnic groups. This administrative efficiency was instrumental in maintaining the empire's cohesion and prosperity.

The social hierarchy was notably stratified, with the nobility and priestly class at the top, followed by regional administrators, artisans, and farmers, known as ayllu members. The ayllu, or kinship group, formed the backbone of Inca society, playing a crucial role in agricultural, economic, and social functions.

Agricultural and Economic Practices

Agriculture was the economic foundation of the Inca Empire. Ingenious agricultural techniques, such as terracing, irrigation, and crop rotation, enabled the Incas to cultivate diverse crops across varied terrains. Staples like maize, potatoes, and quinoa were fundamental to their diet, while coca leaves held cultural and medicinal significance.

The mit'a system was employed as a form of labor tax, requiring community members to work on state and religious projects for a specified period each year. These projects included infrastructure development, such as the construction of the intricate road network stretching over 40,000 kilometers, facilitating trade and communication within the empire.

Religion and Cosmology

Inca religious life was deeply intertwined with their cosmology and a pantheon of deities. Chief among them was Inti, the sun god, who was central to religious ceremonies and festivals. The Coricancha temple in Cusco was the religious heart of the empire, adorned with gold to honor Inti.

The Incas believed in an animistic universe, where spirits inhabited natural and architectural landmarks, known as huacas. Sacrifices, often of animals or valued textiles and goods, were common practices to appease these spirits and deities, ensuring agricultural fertility and social harmony.

Art and Architecture

Inca architecture is renowned for its stone masonry, with structures constructed without mortar yet capable of withstanding seismic activity. These architectural marvels are evident in cities like Cusco and Machu Picchu, characterized by their precise, interlocking stones and harmonious integration with the natural landscape.

Incan art extended beyond architecture, encompassing textiles, ceramics, and metalwork. Textiles, considered more valuable than gold, featured intricate patterns and vibrant colors, signifying social status and regional identity. Ceramics were both utilitarian and ceremonial, decorated with geometric designs and symbolic motifs.

Cultural Interactions and Legacy

The late horizon was a period of intensive interaction among different cultures and regions. In highland settlements like San Sebastian, local traditions blended with Inca influences, creating a syncretic cultural tapestry. The Incas often integrated conquered peoples through a policy of cultural assimilation, allowing for diversity within unity.

The legacy of the Inca civilization endures in contemporary Peru and beyond. Quechua, the Inca language, is still widely spoken, while traditional agricultural practices and textile techniques continue to be a vital part of indigenous life. The remnants of Inca infrastructure, particularly the road network, continue to influence regional connectivity.

Conclusion

The Late Horizon period marks a significant time in the history of the Inca civilization, where political acumen, cultural richness, and engineering prowess converged to create a sophisticated and harmonious society. The influence of this era extends well beyond its temporal limits, leaving an enduring legacy that continues to fascinate scholars and visitors to Peru today."

Chapter V

Genetics

The genetic ancestry of this ancient individual

Ancient Genetic Admixture

This analysis compares the DNA profile of I1743 with ancient reference populations, showing the genetic composition in terms of prehistoric ancestral groups.

Ancient Native Americans 76.9%
Ancient Asians 20.9%
Western Steppe Pastoralists 2.2%

Modern Genetic Admixture

This analysis compares the DNA profile with present-day reference populations, showing what percentage of genetic makeup resembles modern populations from different regions.

America 92.5%
America 92.5%
Native American 92.5%
Asia 7.5%
Chinese & Southeast Asian 3.7%
Tibetan 3.7%
Northern Asian 3.2%
Siberian 2.1%
Mongolian 1.1%
Japanese & Korean 0.7%
Japanese 0.7%

Closest Modern Populations

These are the modern populations showing the closest statistical alignment to A man buried in Peru in the Pre-Columbian South America era, ranked by genetic distance. Lower distance values indicate closer statistical similarity.

1
Piapoco
1.7527
2
Aymara
1.9891
3
Wichi
2.0826
4
Yukpa
2.2454
5
Bolivian Lapaz
3.0419
6
Karitiana
3.2662
7
Colla
3.5049
8
Cachi
4.0907
9
Surui
4.3375
10
Mixe
4.4067
Chapter VI

Context

Other ancient individuals connected to this sample

Sources

References

Scientific publications and genetic data

Scientific Publication

A Paleogenomic Reconstruction of the Deep Population History of the Andes

Authors Nakatsuka N, Lazaridis I, Barbieri C
Abstract

There are many unanswered questions about the population history of the Central and South Central Andes, particularly regarding the impact of large-scale societies, such as the Moche, Wari, Tiwanaku, and Inca. We assembled genome-wide data on 89 individuals dating from ∼9,000-500 years ago (BP), with a particular focus on the period of the rise and fall of state societies. Today's genetic structure began to develop by 5,800 BP, followed by bi-directional gene flow between the North and South Highlands, and between the Highlands and Coast. We detect minimal admixture among neighboring groups between ∼2,000-500 BP, although we do detect cosmopolitanism (people of diverse ancestries living side-by-side) in the heartlands of the Tiwanaku and Inca polities. We also highlight cases of long-range mobility connecting the Andes to Argentina and the Northwest Andes to the Amazon Basin. VIDEO ABSTRACT.

G25 Coordinates

The G25 coordinates for sample I1743 can be used for detailed admixture analysis in our G25 Studio tool.

I1743,0.05631924,-0.31622004,0.11193428,0.1005081,-0.11587672,-0.01086278,-0.30533248,-0.35955912,-0.01498374,-0.01711576,0.00081938,-0.0006311,-0.00097968,0.02542956,-0.00604792,0.00057528,0.00620956,0.00372502,0.00101738,-0.00181284,-0.00142856,0.00792332,-0.0031766,-0.00443786,-0.00512908
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