The tip of an iceberg
What do you mean?"
"When I couldn't find any definitive results from cross-matching, I ran a genetic ancestry test," Shen Junru said, pulling up a set of heatmap-like graphics on his screen. The visuals glowed on the lab's wall-mounted display—gradients of color forming a mosaic of geographical patterns. "It basically checks for ancestral origin patterns. The closer the match in genetic variation, the more likely it is that two individuals—or their lineages—are related or hail from the same population cluster."
"Okay, but explain it in English." "Okay, but explain it in English," Bing Wen said with all seriousness, though the tilt of his head gave him away. Shen Junru turned toward him with a glare. Even though but the expression on Bing Wen's face remained casual, there was a cheeky grin rippling in his eyes. He was definitely trying to pull a leg.