近交系数

遗传病与近交系数

Genetic Disease and Coefficient of Inbreeding

参见近交系数。

See coefficient of inbreeding .

个体近交系数的BASIC电算程序

BASIC Program of Inbreeding Coefficient

目前在法庭DNA证据的匹配概率计算中已经引入了近交系数F。

Now the inbreeding coefficient has been applied into the evaluation of match probability of DNA evidence in the court .

F检验表明，品种间近交系数的差异不显著（P>0.05）。

F test showed no significant difference in inbreeding coefficient among the 8 breeds ( P > 0.05 ) .

遗传病与近交系数WF－闭空间的性质

Genetic Disease and Coefficient of Inbreeding PROPERTIES OF WF CLOSED SPACES

遗传力较高时，群体近交系数上升的速度较为缓慢，而QTL方差对群体近交系数上升速度的影响则不甚明显。

When the heritability was higher , the inbreeding coefficient would increase slower , but QTL variance has less effect on it .

闭锁群体BLUP选择下遗传方差和近交系数的变化

Change of genetic variance and inbreeding coefficient in a closed population under BLUP selection

在PDA中调出母牛的系谱资料，选出与母牛近交系数小于4%的前10头种公牛，输入待改良指标，PDA会自动获取个体选配方案。

The previous ten bulls whose inbreeding coefficient with cow is less than 4 % were selected after pedigree information of dairy cattle was pull out , the individual planned mating was given by PDA automatically after the improved standard was input .

在育种分析子系统中，设计了流程式的BLUP法育种值估计、综合EBV指数和综合选择指数的制定、遗传进展分析、近交系数及群体近交分析等功能。

It was designed in the breeding analysis sub-system to estimate the BLUP ' breeding value with a flow chart , institute the EBV 's selection index and the aggregate selection index , analysis the genetic improvement and the herd inbreeding condition , and so on .

本文运用字符标记的方法，编制了近交系数计算的程序。

Program computing inbreeding coefficient was compiled with letter - symbol .

这意味着孩子的近交系数为0.5。

This means the child would have aninbreeding coefficient of 0.50 .

关于近交系数计算方法的改进

Improvement of calculative method on inbreeding coefficient

利用微卫星标记估计了中国10个地方猪种的群体近交系数。

The population inbreeding coefficients of 10 indigenous pig breeds were estimated by microsatellite markers .

近交系数计算的程序设计

Program Design of Computing Inbreeding Coefficient

尿素氮和球蛋白含量在系统选择中随近交系数的上升而下降，血红素含量却上升。

The contents of ureotelism and globulin increased and hemoglobin decreased with inbreeding coefficient in systematic breeding .

两群体的近交系数为-0.027和0.007。

The inbreeding coefficients in Xian - feng and Wufeng were nearly zero , namely-0.027 and 0.007 respectively .

从近交系数增量考虑，育种群公羊使用年限最多不应超过4年。

Useful life of breeding flock ram should not surpass 4 years according to inbreeding increment . 4 .

本文对亲缘协方差的来源及相关公式进行了系统推导，并概括了应用亲缘协方差公式计算动物亲缘系数及近交系数的规则。

In this article , origins of numerator relationship has been proved and the cor - relative calculation formula deduced .

同时发现东北虎林园的平均近交系数（0.1056）比横道河子的平均近交系数（0.0297）要高得多。

But the average coefficient of inbreeding in Tiger Park ( 0.1056 ) was much higher than Hengdaohezi ( 0.0292 ) .

本文在统一的理论基础上，介绍了在动物育种工作中若干种近交系数的程序化计算方法。

In this paper the writer has introduced some systematic methods for calculation of inbreeding coefficients based on a unitary theory .

这个数字非常高，连续三代近亲结婚产下的孩子才会有这么高的近交系数。

This is very high ; it 's what you would expectin a child of three generations of consecutive sibling marriages .

卡洛斯的近交系数为0.254，仅仅比兄妹结婚的近交系数（0.250）高一些。

Charles had an inbreeding coefficient of0.254 , making him slightly more inbred than a child of two siblings ( 0.250 ) .

畜禽全、半同胞有规律系谱迭代法计算近交系数的研究与应用

A study and application of inbreeding coefficient calculation by iterative method for full-sib and half-sib regular pedigrees of domestic / animals and fowls

随着公畜比例的增加，群体近交系数的上升速度会明显变慢。

During the whole selection process , the increase speed of the population inbreeding coefficient was faster with the decrease of sire number .

如选留3或4个蛾区，并进行循环配对交配，可以有效地控制小系内近交系数的极度上升，从而在不影响主要经济性状的情况下有利于保持品种的健康性。

However , circular pair mating of three batches was preferable for the maintenance of the health of silkworm varieties because of lower inbreeding rate .

选配增加了世代内个体近交系数的一致性，但增大了世代间近交量的差异。

Selection and mating increases the coancestry of inbreeding coefficient of individuals in the same generations , but expand the difference of inbreeding quantities among generations .

应用正确的留种方法，有效防止群体近交系数的过快增长和品种基因库内优良基因的丢失；

These were useful to avoid increasing rapidly of inbreeding rate in the core population and losing the fine genes in the variety of Hequ horse .

近交系数生物学家用一个叫作“近交系数”的数字来衡量一个人的配对染色体完全相同的可能性。

Inbreeding coefficient Biologists use a number called the " inbreeding coefficient " to quantify the percentage of someone 's chromosomesthat are likely to be identical .

一对没有亲缘关系的父母产下的孩子的近交系数为0，而如果配对染色体完全相同，则近交系数为1。

A child from unrelated parents has aninbreeding coefficient of 0 , while one who has a completely duplicated set ofchromosomes has an inbreeding coefficient of 1 .