利用小麦-黑麦的7个附加系为材料，研究了黑麦染色体对籽粒淀粉粒的形成和胚乳细胞数目多少的影响。

By using 7 rye additional wheat lines as materials, the effects of rye chromosomes on wheat seed storage starch development and endosperm cell number were studied.

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附加体，游离体某些细胞的遗传粒子，尤其是细菌细胞，能够自动存在于胞质中或成为染色体的一部分。

A genetic particle of certain cells, especially bacterial cells, that can exist either autonomously in the cytoplasm or as part of a chromosome.

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表明该二体附加系的附加染色体能在杂种后代中稳定传递，不易因遗传排斥而丢失，可用来进行有关农艺性状的基因定位研究。

A conclusion could be made that the alien addition chromosomes in the disomic addition line can steadily pass on to its offspring, which can be used for gene mapping.

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