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In the Caribbean, agricultural Arawakan peoples begin migrating along the archipelago from South America, eventually displacing/absorbing the hunter-gatherer peoples there.They populate the Greater Antilles in the millions by 1492, and are loosely known as the Taino.Hunter-gatherer lifestyle is increasingly unsustainable. Domestication Revolution begins in Fertile Crescent and the Americas. Migration wave of pastoral societies from steppe regions (generally between the Caspian and Black Seas) into the Fertile Crescent, India, and Europe.Wheat, peas and olives domesticated in Fertile Crescent. State bureaucracy and military establishment are developed. The Pacific Northwest marine-based culture begins fully developing, from southern Alaska to Northern California. Intense deforestation of the region from Morocco to Afghanistan commences.It is partly a historical document of what it was like to live in those times, and was rather dated in ways in 2014, when I revised it.My energy and the human journey essay, published in 2014, will be periodically updated, but this essay likely will not be revised much in the future.The violent, male sky-gods come to dominate religion, including one named Jehovah.
Atunci când eroarea survine în cea de a doua diviziune meiotică rezultă doi gameţi haploizi normal, un gamet disomic şi unul nulisomic ( pot afecta orice cromozom, însă majoritatea acestor aberaţii sunt incompatibile cu viaţa şi vor da naştere la un avort spontan.
Mai rar sunt identificate persoane cu mozaicism cromozomial care conţin trisomiile 8, 9 sau 22.