Which Eurasian populations are highlighted in genomic studies as a genetic conduit for intercontinental gene flow?
Answer
Central Asian populations.
Modern genomic research employing whole-genome sequencing across Eurasian populations has identified a critical role for Central Asian populations in the species' adaptation and gene flow dynamics. These populations function as a genetic conduit, facilitating the movement of adaptive traits across continents. Research in this area has focused on identifying specific genes under selection, such as *ADAMTS20*, *PDPK1*, *LPIN1*, and *ALPK2*, which are associated with observable traits including pigmentation and the metabolism of fat and muscle.
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