genetic variation

This is the result of artificial selection , population genetic variation caused by which always develop to the benefit of mankind .

这是人工选择的结果，由选择造成的种群遗传性变异，总是朝着对人类需要有利的方向发展的。

RHG banding chromosome analysis BMSCs analysis of karyotype of different groups of changes , results show that , the group BMSCs cell karyotype , no genetic variation .

RHG条带染色体分析法分析不同组别的BMSCs细胞核型的变化，结果表明，各组别BMSCs细胞核型一致，没有出现遗传性变异。

The Study on Genetic Variation of Partial Quality Indices in Maize

玉米部分品质指标遗传变异的研究

Analysis on potassium accumulation characteristics and genetic variation in tobacco leaves

烟草不同基因型叶片钾积累特性及变异分析

Study of genetic variation of the structural region of hepatitis C virus

丙型肝炎病毒结构区基因变异的研究

Genetic Variation of Dry White Noodle Quality Characteristics in Common Wheat

小麦品系干白面条品质特性的遗传差异研究

Study and Application of Single Nucleotide Polymorphism in Chicken Genetic Variation

单核苷酸多态性技术在鸡遗传变异中的研究及应用

The methods of measuring genetic variation in forest population

用同工酶定量分析林木群体变异和分化的方法

A preliminary study on the genetic variation of heading date in Rice

水稻抽穗期遗传变异的初步研究

Study on the Growth Process Genetic Variation and Selection of the Poplar Clones

杨树无性系生长过程遗传变异及选择研究

Genetic variation of HA gene is under survival selective pressure ;

HA基因受生存选择压力作用；

Research on Genetic Variation of Main Characters of Silkworm Variety for Use of Current Production

现行生产用蚕品种主要性状的遗传变异研究

Advance in Studies on Genetic Variation of Lignin Content in Tree Species

树木木质素含量的遗传变异研究进展

Correlation analysis of type A influenza virus genetic variation characteristic with survival selective pressure

甲型流感病毒基因变异与生存选择压力相关性分析

Development of genetic variation of high protion content on Soybean

大豆高蛋白质含量变异拓宽的研究

Studies on Genetic Variation and Early Selection of Japanese Larch Clones

日本落叶松无性系遗传变异及早期选择的研究

Genetic variation of soybean oil content of different f_2 populations

大豆不同杂交组合F2油分含量分布及其遗传变异

Study on Genetic Variation of Four Native Goose Populations in Guangdong Province

广东省四个家鹅群体的遗传变异研究

The genetic variation coefficient of yield was highest ( 17.59 % ) .

产量的遗传变异系数最大，为17.59%；

Genetic Variation in Spike Character and Growth Stages of Wheat Induced by Laser

激光诱变小麦生育期性状和穗部性状的生物学效应研究

Such samples maximize the genetic variation among groups .

因为这种样本会将人群间的遗传差异放大到最大的程度。

Genetic variation of the seedling traits in superior family of Chinese fir

杉木优良家系苗期性状的遗传变异研究

Genetic Variation in Growth and Branch Division Habit of Chinese Fir Clone

杉木无性系生长及分枝习性的遗传变异

It 's indicated that genetic variation of sterile lines was close .

表明不育系间的遗传差异较小。

Isozymes and studies on population genetic variation in forest trees

同工酶与林木群体遗传变异研究

Genetic variation sources and breeding strategies for developing tobaccos with disease resistance

烟草抗病基因源的利用与抗病育种策略

Genetic Variation of Parts of Quality Characteristics about Sweet Cherry Seedling Progeny

甜樱桃实生后代部分品质性状的遗传变异

Analysis on the Genetic Variation of Main Agronomic Characters in Fodder Barley

饲料大麦主要农艺性状的遗传变异分析

Genetic Variation Analysis of Growth and Wood Properties of Slash Pine on the Family Level

湿地松家系生长和材性遗传变异分析

Genetic variation of soymilk tofu output , quality and processing traits

大豆豆乳和豆腐产量、品质及有关加工性状的遗传变异