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Articles against single sex classrooms - An Overview

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The equivalent-environment assumption requires that members of monozygotic and dizygotic twin pairs be equally similar in their exposure to environmental factors of etiologic relevance to the trait being analyzed. When the environments of dizygotic twins were less similar than those of monozygotic twins, this would bring on an overestimation https://momporncomics.mom/romantic/gay_live_sex_cams.html

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