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Diploid number of an organism is double haploid number.
Your answer is 10
Multi cellular is mad up of multiple cells and uni cellular is made up of just one
During meiosis crossing over occurs at the pachytene stage, when homologous chromosomes are completely paired. At diplotene, when homologs separate, the sites of crossing over become visible as chiasmata, which hold the two homologs of a bivalent tighter until segregation at anaphase.