遗传影响

Based on the maximum likelihood analysis principle for dynamic trait QTL mapping, selecting three orders Legendre polynomial as sub-model, the effects of the individual number, the frequency of test day, the marker density and heritability on detecting power are investigated by Monte-Carlo simulation.

以远交设计群体为例，在推导出动态性状基因定位的似然法分析过程的基础上，选择3阶多项式为子模型，采用Monte Carlo方法模拟研究了不同个体数、测定日频数、标记密度和QTL遗传贡献率对两种分析方法检测QTL效率的影响。

The current generation of top models have been accused of starving themselves into the shape required for the catwalk and providing poor role models for teenage girls. Style experts said they would welcome a different scientific explanation for their look."Often when you see celebrities with their mothers in public you can see the similarities between their bodies and it is even more striking when you see how their mothers used to look," said Leoni Roberts, from the Federation of Image Consultants.

研究结果显示，由于"瘦体"基因是从母亲那里遗传的，因此父亲体形对子女体形的形成不会起到太大的作用，即使父亲大腹翩翩，做子女的也不用有丝毫担心，不过父亲的某些基因可能会对子女上了年纪后的体重产生一定的影响。

A pot experiment with twenty-three open-pollinated Liriodendron chinense families from Liping of Guizhou at two nitrogen levels was conducted to investigate family variation and inheritance of nitrogen absorption and utilization efficiency related to nitrogen supply.

选用来自贵州黎平马褂木优良种源的23个优树自由授粉家系，设置低N和高N2种N素水平的盆栽试验，以研究马褂木N素吸收和利用效率的家系遗传变异及N素水平的影响。

This indicates that RUS is more severely influenced by UV-B radiation than LUES. Hence it could be more efficient to use LUES as a genetic trait in breeding UV-B resistant rice.

说明水稻这两种硅营养性状中，根系硅吸收能力较叶片硅利用率受UV-B辐射影响大，在抗UV-B辐射育种中以叶片硅利用率为水稻硅营养遗传选择的指标具有较高效率。

What we're finding in insects is that they become obese when parasites cause inflammation that affects metabolism," said Marden."That seems akin to what's happening in humans when they get type-2 diabetes. It's not because there's been a change in the genetic composition of the population. it's because something has changed in our enironment.

我们发现的是当昆虫体内的寄生虫触发可以影响代谢的炎症反应时，昆虫发胖了" Marden说，"患有2型糖尿病的人似乎与这种发现相似，并不是人群中的遗传组成发生了改变，而是体内环境发生了改变。

In turn, such analyses of the marginal statistical contribution of the genetic test can affect the recommended practices in the population at large, she said.

相反，关于遗传检测对统计学贡献有限的这些分析会影响整个人群的推荐诊疗方案，她说。

The researchers claim that because the gene is passed down maternally, fathers - regardless of the size of their beer belly - play little role in determining the body shape of their children, although other paternal factors may influence weight in later life.

研究结果显示，由于"瘦体"基因是从母亲那里遗传的，因此父亲体形对子女体形的形成不会起到太大的作用，即使父亲大腹翩翩，做子女的也不用有丝毫担心，不过父亲的某些基因可能会对子女上了年纪后的体重产生一定的影响。

For girls, the majority of the variance for the presence of menarche (88%) was explained by shared environmental factors, while that for age of menarche (73%) was by genetic factors.

女性初经有88%可被共享环境因子所解释，而女性初经年龄则有73%的变异受到线性遗传因子的影响。

Methods: Mitotic Index, chromosome aberration and micronucleus test in bone marrow lymphocytes of mice were determined.

采用小鼠骨髓淋巴细胞有丝分裂指数试验、染色体畸变试验、微核试验，观察蒲公英水煎液对小鼠骨髓淋巴细胞的遗传损伤效应的影响。

A hybrid simply introduced with the ae gene is usually lack of commercial value because its amylose content is only about 50%. It may be effective to improve the amylose content to gather modificatory genes by recurrent selection.

遗传背景对直链淀粉含量的影响主要表现为非加性效应，注重正向修饰基因的积聚，通过轮回选择等手段提高育种群体直链淀粉含量，是高直链淀粉玉米育种的有效途径。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。