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- genetic variance estimate 遗传方差估计
- Only the additive genetic variance is transmissible by seed. 仅仅加性遗传方差是由种子遗传的。
- A side effect of increasing genetic variance following disruptive selection often causes greater genetic flexibility of the population. 经分裂选择后遗传变量增加的附带作用,往往使种群的遗传可塑性有所增加。
- The additive genetic variance of the same character, estimated from the covariance of half sibs, was 0. 9602. 从半同胞协方差估计出来的;同一性状的加性遗传方差为0.;9602。
- This was mainly because of the ability of detecting genetic variance of the two techniques. 多样性上略有差异,这主要是因为两种技术的对遗传变异的检测能力不同,
- A side effect of increasing genetic variance following disruptive selection is often greater genetic flexibility of the population. 经分裂选择后遗传变量增加的附带作用,往往使种群的遗传可塑性有所增加。
- Statist ic methods are introduced for analyzing heterosis, estimating genetic variance c omponents, and predicting genetic effects. 还介绍了分析杂种优势、估算遗传方差分 量以及预测遗传效应值的相应统计分析方法。
- In this case optimally weighted LS estimate is not a linear estimate of a parameter given input and observation anymore and can not be compared with linear minimum variance estimate. 在这种情况下,最优加权最小二乘估计变成关于观测和输入的非线性估计,且与线性最小方差估计不可比。
- Random amplified Polymorphic DNA (RAPD) was used to analyze the genetic diversity among eri sickworm. The genetic variance of five erisickworm was studied. 用RAPD技术对蓖麻蚕基因组DNA进行多态性研究,分析了5个蓖麻蚕品种间的遗传差异。
- The ratio of sum of additive effect variance to total genetic variance were 18.8%,and that of sum of dominance effect variance to total genetic variance were 81.2%. 在胚和母体两套遗传体系中;加性效应方差占总遗传方差的18.;8%25;胚显性方差与母体显性方差之和占总遗传方差的81
- The therotical equation for additive genetic variance of mark gene was established for individual level and seperate population level in linkage equilibrium. 分别在个体水平上以及在复合连续平衡的分离群体水平上建立了标记基因加性遗传方差值的理论方程。
- Prediction of genetic effects by AUP method and estimates of phenotypic and genetic variance components by MINQUE(1) method are suggested for different generations. 不同世代的表型方差及各遗传方差的MINQUE(1)法估计值。
- Methods We applied generalized linear mixed models for the nuclear family data to set up the genetic variance component model and estimated parameters using MCMC. 方法将广义线性混合模型应用于核心家系资料建立遗传方差分量模型,运用MCMC方法进行参数估计。
- In order to understand the intrinsic mechanism of its successful invasion and outbreak,it is necessary to study the genetic variance among native and invasive popula-tions of PWN. 开展松材线虫的种群遗传学研究,是了解其成功入侵和爆发成灾内在机理的重要途径。
- A sire and dam model and a sire and maternal grandsire model are fitted for weight at birth and weight at weaning of sheep to estimate the direct genetic and maternal additive genetic variances. 本文利用公畜母畜模型和公畜外祖父模型估计了初生重、断奶重的直接加性遗传方差、母本遗传方差和遗传参数;得出初生重的直接加性遗传效应、母本遗传效应和总的加性遗传效应的遗传力分别为:0.;164、0
- Allan variance estimated by simulated noise and calculated theoretically using power law model are well matched. 采用白噪声通过FIR滤波器的方法近似地模拟了闪烁噪声。 模拟相噪得到的Allan方差估计值与幂律模型得到的Allan方差理论值符合得较好。
- In fact, we can choose the estimator of which the variance estimation is smaller. 在实际应用中,本文也提出了通过比较方差估计作为选取估计量的准则。
- Noise variance estimation is first performed in the algorithm.In the end, wavelet transform is applied to denoise the corrected image. 该算法通过对多视点图像信号噪声方差进行估计,并利用小波变换滤除校正后多视点图像的噪声。
- Known susceptibility genes account for less than25% of the familial risk of breast cancer, and the residual genetic variance is likely to be due to variants conferring more moderate risks. 大家知道乳腺癌的家族危险性的小于25%25由于易感基因,而剩余的遗传变异更多是由于变异体,而这种变异引起更多的风险。