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Johannsen experimented with the Princess bean and found that if the self-fertillzing parent plants were from a mixed population, then selection did indeed work. He described the offspring of single parent as a ' pure line ' and stated that they were genetically identical. In 1905 he coined the terms ' phenotype ' to describe the outward appearance of an individual and ' genotype ' to describe the genetic makeup of an individual.

约翰逊用菜豆做实验,结果发现:如果自体受精的亲本植株来自一个混合群体,那么选择确实是有效的,而被称为"纯系"的单亲后代则表明它们在遗传上是一致的。1905年他首次采用"表现型"来描述某一个体的外观形状,用"基因型"来描述某一个体的遗传组成。

The results from an example showed that the unbiased estimate of error variance could be obtained so that polygenic variance and polygenic heritability could not be underestimated. Moreover, the AIC values by using the average of two replications were less than that by using the observations of a replication.

在试验设计为重复内分组随机区组设计时,通过甘蓝型油菜初花期的遗传分析表明:这种方案的试验误差方差估计值无偏性好,可避免多基因方差和多基因遗传率被低估;重复观测值平均数的分离分析的AIC值低于利用单一重复资料的AIC值。

Recent data have provided clear insights into some aspects of self-recognition and rejection in the SI response of three types,the single-locus sporophytic and two distinct forms of single-locus gametophytic SI.

高等植物在长期的进化过程中,通过雌蕊识别并拒绝遗传上相近的花粉,防止近亲繁殖、保持遗传多样性,该机制被称为植物自交不亲和性。

So it has a common viewpoint that schizophrenia is a good model for studying the mechanism of polygenic disorders.

而且由于该病的遗传度高达80%以上,是遗传度最高的一类常见复杂疾病,一直被认为是很好的研究多基因病发病机制的模型。

Dynamic matrix predictive control algorithm based on genetic algorithm optimizes different chromosomes syngen by genetic algorithm, and gets the most parameter set through decoding the most individual, and counts contemporary control series increment and brings to controlled objects.

基于遗传算法的动态矩阵预测控制算法在每个采样时刻,用遗传算法优化不同的染色体种群,由最优个体解码得到最优参数集,再计算当前控制序列增量并施加到被控对象。

Www.gavinmenzies.net/pages/ This resulted in a genetic mixing in Italy that reminds me of the forced genetic mixing going on between earth humans and certain races of aliens today in what I call the abductee alien slave trade.

这导致了在意大利,它提醒我被迫遗传混合遗传混合人类和地球之间的外国人会在某些比赛今天我所说的被绑架外国人的奴隶贸易。

Data from twins, adoptees, and families show that genetic factors play an important role in the etiology of this disease.

大量的双生子、寄养子和家系研究的数据表明在精神分裂症的发病过程中遗传因素有很重要的作用,所以精神分裂症作为一种复杂遗传疾病被纳入遗传学的研究范畴。

A gene can be defined as the smallest hereditary unit capable either of recombination or of mutation. Alternatively it may be described as a unit of function, a CISTRON, which may be much larger than a unit of recombination or mutation, and controls the synthesis of a single polypeptide or a messenger RNA molecule whose genetic code is sontained within the gene.

基因是重组和突变的最小遗传单位,也可以被描述为一种功能单位———顺反子,顺反子可能比重组和突变单位大的多,它控制单个多肽的合成或合成含有遗传信息的信使 RNA 密码子。

An adaptive genetic algorithm in conjunction with multi-population genetic strategy, entropy-based searching technique with narrowing down space and the quasi-exact penalty function was developed to solve the optimization problem. The proposed method culd successfully balance the efficiency against precision, and close the optimal solution quickly and stability.

一个自适应的遗传算法被用于求解上述优化模型,该算法采用多种群遗传策略、信息熵控制的空间减缩搜索技术以及拟精确罚函数方法,较好地平衡了效率与精度之间的关系,从而能够快速而稳定地逼近最优解。

After alleging that Rao was trying to cut off support for a discipline of science, Cui compared Rao's efforts to the activities of Trofim Lysenko — the Soviet 'state scientist' who in the 1940s used his close connections to the Soviet leadership to crush scientists who opposed his views.

崔克明就把饶毅比作李森科(译者注:前苏联生物学家和农学家,曾任苏联科学院遗传研究所所长,在其遗传理论中认为后天特征可以被继承),这位前苏联的&国家科学家&在二十世纪四十年代利用其与前苏联领导人的关系打击反对他观点的科学家。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

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我比喻得过头了。