异卵双胞胎

1
fraternal twins
沃森和其研究团队共分析604对同卵双胞胎(Identical twins)和484对异卵双胞胎(Fraternal twins)，有关身高、体重和睡眠时间的资料。结果发现，虽然每个人的睡眠习惯各有不同，但仍可从中找出一些端倪。
2
Non-identical
... identical twins：同卵双胞胎 non-identical twins：异卵双胞胎 extroversion：外向 ...

1
如果同卵双胞胎彼此在疾病方面比异卵双胞胎更相似，那么这种疾病的易感性至少在一定程度上是由遗传造成的。
If identical twins are more similar to each other with respect to an ailment than fraternal twins are, then vulnerability to the disease must be rooted at least in part in heredity.
2
该研究还发现，自闭症在同卵和异卵双胞胎中的发生率均高于一般人群。
The study also found that autism rates among both identical and fraternal twins were higher than in the general population.
3
该项研究发现，同卵双胞胎的两个双胞胎儿都患有自闭症的可能性比异卵双胞胎的大。
The study found that the likelihood of both twins being affected by autism was higher among identical than fraternal twins.

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