n. 行为, 举止
Yet instances of selfish behavior are also plenty.
四级 · CET-4 2026年6月 第1套
By comparing identical twins, who share nearly 100 percent of their genes, and non-identical twins, who share about half, researchers have found overwhelming evidence for genetic effects on behaviors.
四级 · CET-4 2026年6月 第1套
My colleagues and I recently identified a gene linked to altruistic (利他的) behavior and found that a particular variant of it was associated with more selfish behavior in preschoolers.
四级 · CET-4 2026年6月 第1套
According to evolutionary scientists, cooperative behavior may have evolved first among relatives to promote the continuation of their genetic line.
四级 · CET-4 2026年6月 第1套
Yet almost no behavior is entirely genetic, even among identical twins.
四级 · CET-4 2026年6月 第1套