GLRX2 and TXN1 are oxidation-reduction reactions related to human genes, coding antioxidase system member thioredoxin and non-enzymatic system member glutaredoxin respectively.
Through a study of nearly 1000 pairs of identical and non-identical twins, British and Australian researchers found genes control half the personality traits that make people happy.
英国和澳大利亚科学家通过对将近1000对双胞胎的研究发现，人类的快乐情绪一半是由基因控制的。
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Between 1 and 4 percent of the genes of non-Africans match those found in Neanderthals, making it difficult to draw the species line.