... 摘 要 B染色体又称超数染色体(supernumerary chromosome)、附加染色体(accessory chromosome)或额外染色体(extra chromosome),是在 生物界中广泛存在的一种特殊染色体.
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extra-chromosome 额外染色体
an extra chromosome 额外13号染色体
extra-chromosome pair 额外染色体对
extra small chromosome 额外小染色体
extra-foreign chromosome 额外外来染色
extra small mark chromosome 额外小染色体
The results were as follows:(1) Extra chromosome of all other trisomics could be transmitted through female gamete except Tri. -l0, just the transmission frequency was different.
结果表明:(1)供试三体中除10号三体外,其余三体的额外染色体均可通过雌配子传递,只是传递率不同。
参考来源 - 大白菜不同三体额外染色体雌配子传递率差异的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Scientists have long suspected that such genetic benefits might accrue from having an extra chromosome 21.
科学家更深入地推测,这些基因上的益处也许能在那条额外的21号染色体上获得增加。
Men may have an extra X chromosome or two on top of their normal XY combination.
男人可能有除了他们的正常的XY组合以外还有额外的1个或2个X染色体。
Conclusion the extra small chromosome is part of the chromosome Y.
结论:额外小染色体来源于Y染色体。
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