نتایج جستجو برای: and segregation

تعداد نتایج: 16831185  

Journal: :On education 2021

The aim of this paper is to show that school segregation not only has an impact on achievement, but also more qualitative issues such as the perception inequalities and feeling discrimination. I propose explanation for why being trapped in segregated, ‘disreputable’ public schools, a which shared among people from disadvantaged immigrant backgrounds, well parts lower-middle class, deep social c...

Journal: :journal of cell and molecular research 0
massoud ranjbar maryam almasi elnaz hosseini

chromosome number, meiotic behavior, and pollen viability were analyzed in 2 species of genus solenanthus, s. stamineus (desf.) wettst. and s. circinnatus ledeb, from iran. this report is the first cytogenetic analysis of these species. all taxa are diploid and possess 2n = 2x = 24 chromosome number, consistent with the proposed base number of x = 12. although this taxon displayed regular bival...

Ernst Vitek, Firouzeh Bordbar, Mansour Mirtadzadini, Mohammad Reza Parishani, Mohammad Reza Rahiminejad,

The current investigations suggest the segregation of Jurinea cartilaginea from Jurinea, and its placement among Centaureinae. Molecular studies, based on the nuclear ribosomal internal transcribed spacers (nrITS), chromosome number data and pollen morphology, support the morphological results. Based on these results, J. cartilaginea is related to and, therefore, transferred to the genus Karvan...

Journal: :SSRN Electronic Journal 2009

Journal: :Proceedings of the National Academy of Sciences 1955

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