不减数分裂
- 与 不减数分裂 相关的网络例句 [注:此内容来源于网络,仅供参考]
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There are not differences in the meiosis of both A lines and B lines , and between CMS of hot and sweet pepper.
椒细胞质雄性不育系金A 和保持系金B 减数分裂和雄配子发生的整个过程。
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Fertilization results in triploid or tetraploid individuals.
这是由于染色体在第一次减数分裂的后期没有分离而导致了多倍的而不是单倍体的配子,受精后产生了三倍或四倍体。
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Unicolor. There were unequal bivalents, homologous chromosome deconjugation, chromosome brige, unequal separation, laggard chromosomes, chromosome outside nucleus, micronuclei arid so on.
unicolor小孢子母细胞减数分裂异常进行了研究,发现存在不等二价体、同源染色体早分离、染色体桥、不均等分离、滞后染色体、核外染色体、微核等。
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The frequency of cells with univalent at MI and with lagging chromosomes and chromosomal bridge at A I in PMC of F1 hybrids of 4 alloplasmic 1BL:/1RS and non-1BL/1RS wheat male sterile lines with Aegilops kotschyi,Ae. variabilis,Ae.ventricosa and Ae.bicornis cytoplasms were systematically investigated,and the relationship between FCU at M I,FCLB at A I and F1 selfed seed set was analyzed.
系统调查了4类异质(粘果、易变、偏凸、二角山羊草细胞质)1BL/lRS、非1BL/1RS小麦雄性不育系与其恢复系杂种F减数分裂中期Ⅰ出现单价体细胞频率,以及后期Ⅰ出现落后染色体和染色体桥细胞频率,并对中、后期染色体变异率与杂种F自交结实率进行了相关分析。
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As there were 8.69 bivalents in average occurred to be desynaptic, moreover, the most number of the desynaptic bivalents reached 12 at post diakinsis.
从品种轮回422的群体中发现一不育单株,经细胞学观察证明是发生了联会消失突变,由于该植株的花粉母细胞在减数分裂终变期晚期平均有8.69个二价体发生了联会消失,占二价体总数的72.4%,并且发生联会消失的最多二价体数目为12,根据联会消失的最多二价体数目
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Result There was no significant difference to the number and length of parenchyma cell in the uppermost internode between Shuangdi Pei eS and Shuangdi S in meiosis and dikaryon pollen stages;there was significant difference to those in tikaryon pollen stage, and there was very significant difference to those in anthesis and the 7th day after anthesis,and on the 7th day after anthesis,the difference to the number and length of parenchyma cell in the uppermost internode between Shuangdi Pei eS and Shuangdi S was the greatest.
长穗颈双低培eS与双低S穗颈节间薄壁细胞数及细胞平均长度在减数分裂期和二核花粉期差异不明显,于三核花粉期差异达显著水平,始花当天和始花后第7天均达极显著水平,其中始花后第7天时两者的差异最大。
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The sperm must not have undergone meiotic division...
精液不能已经遭遇减数分裂的区分。。。
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These abnormal changes mainly occurred at two stages:(1) at meiotic prophase, almost half of Peiai 64S microsporocytes exhibited aberration, with sparse free ribosomes, underdeveloped mitochondria and many swollen endoplasmic reticula.
这些变化主要发生在两个阶段:(1)减数分裂前期,约半数的小孢子母细胞的胞质出现异常,游离核糖体稀少,并具有不发育线粒体和大量泡状内质网。
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In the anthers of China CMS lines,there is normaldifferentiation of anther walls,male sterility is characterizedby the abortion of sporogenous cells and microsporemother cells.
我国棉花细胞质雄性不育的败育时期主要集中在造孢细胞增殖时期和花粉母细胞减数分裂时期。
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2The three plants No.101-1,-2,-3 were male-sterile and gave 10 embryoes after backcrossing to B.
来自于不同亲本的染色体组在减数分裂中表现得极不同步。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?