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Author: WikiMatrix
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English[en]
These known differences in genetic similarity, together with a testable assumption of equal environments for identical and fraternal twins creates the basis for the twin design for exploring the effects of genetic and environmental variance on a phenotype.
Chinese[zh]
这些在遗传相似性方面的已知区别,以及对同卵或异卵双胞胎所在环境相同的可验证的假设,共同构成了双胞胎设计的基础,以探索遗传多样性及环境多样性对某一形状的影响。