Twins fraternal的意思|示意

To do so, they studied more than 3700 pairs of twins, both identical and fraternal twins, from age seven to ten.

为了做这些，他们研究了超过3700对双胞胎，清一色的兄弟双胞胎，年龄在7到10岁之间。

Identical twins share identical genetic makeup, while fraternal twins are only as genetically similar as any two siblings.

同卵双胞胎具有相同的基因组成，而异卵双胞胎只是像其他任何两个兄弟姐妹一样基因相似。

If identical twins are more similar than fraternal twins, this means genes affect the trait, ie it is heritable.

如果同卵双生比异卵双生更相似，这就意味着基因影响了性状，例如遗传性。

If identical twins are more alike than fraternal twins, therefore, we conclude that the trait under consideration is to some degree inherited.

如果同卵双胞胎在某个特定的性格特征上较异卵双胞胎表现出更大的相似性。那么我们就可以确定，该性格特征或多或少受到了遗传的影响。

Their cohort included a national sample of 4,674 Australians from the Australian twin Registry cohort II. Subjects included both identical and fraternal twins; 57 percent were women.

他们的研究群体包括一个来自于澳大利亚双胞胎注册组群中4674人的样本，包括同卵双生和异卵双生的双胞胎，其中57%是女人，平均年龄38岁。

The largest study of its kind, the research focused on autism in 192 pairs of twins - 54 identical, 138 fraternal.

这是规模最大的此类研究，调查集中在192对双胞胎的自闭症问题——54对同卵双胞胎，138对异卵双胞胎。