Like, in one 2015 study, researchers asked hundreds of pairs of identical twins, who have close to the same set of genes, and fraternal twins, who don't, to rate the attractiveness of pictures of faces.
如,在一项 2015 年的研究中,研究人员让数百对拥有几乎相同基因的同卵双胞胎和基因
同的异卵双胞胎对面孔照片的吸引力进行评分。