这些囊胚细胞，称卵裂球，每个细胞都有一套二倍体染色体组。
The cells of the blastula, called blastomeres, also each receive a full diploid set of chromosomes.
虽然这些物种都是二倍体并且含有相同数量的染色体但是杂交体和亲本间核基因组大小仍不相同。
The nuclear-genome size differences between the hybrids and their parental taxa occur in spite of the fact that all species possess the same number of chromosomes and are diploids.
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