| 1. | The oocyte is effectively a tetraploid cell .
卵母细胞是有效的四倍体细胞。
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| 2. | They are complex polyploids, being partly tetraploid and partly hexaploid .
它们是复杂的多倍体，其中一部分是四倍体，一部分是六倍体。
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| 3. | Aggregation reproduction in tetraploid pacific oyster , crassostrea gigsa thunberg
自群繁殖的研究
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| 4. | Regeneration of tetraploid plants with cecropin mb39 gene from ' royal gala ' apple
苹果及其四倍体植株的培育
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| 5. | Tissue culture and fast breeding techniques of robinia pseudoacia tetraploid
四倍体刺槐的组织培养快繁技术研究
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| 6. | Preliminary study on cross between diploid and tetraploid and cytology of lilium oriental
四倍体杂交及细胞学研究初报
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| 7. | In the tetraploid , pseudogamous species rubus nitidioides , haskall selected two plants
Haskall在四倍体、具假配子的种光悬钩子中选了二个植株。
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| 8. | Such a gamete may be produced by tetraploid tissues , or it may be the result of faulty meiosis
这样的配子可能是通过四倍体组织或者是错误的减数分裂产生的。
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| 9. | It is extraordinarily important to select tetraploid lines for breeding sugar beet polyploid varieties
摘要四倍体品系选育是甜菜多倍体育种不可缺少的重要环节。
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| 10. | Since the first tetraploid was obtained in 1939 , polyploidy breeding has always been the focus of watermelon breeding
从1939年获得第一个四倍体西瓜以来，多倍体育种就一直是西瓜育种的一个热点。
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