Chromosome reductional grouping happened more frequently in polyploid cells.
染色体减数分组较多发生于多倍体细胞中。
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Meanwhile the ratio of haploid cell in the callus dropped gradually, and a lot of polyploid and aneuploid cells appeared.
与此同时，单倍体细胞逐渐减少，产生大量多倍体和非整倍体细胞。
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