inbreeding相关论文
Across taxa,females are routinely choosier than males in selecting mates.Several hypotheses have been advanced to explai......
Females are routinely choosier than males in mate choice in many taxa.Several hypotheses were considered to explain gene......
Large-Scale Genetic Survey Provides Insights into the Captive Management and Reintroduction of Giant
Captive breeding programmes of threatened species aim to preserve genetic diversity and avoid inbreeding to promote popu......
...
Effects of inbreeding on growth, gonad development, production, quality and MYP expression in the se
The sea urchin Strongylocentrotus intermedius is a good model to investigate the potential inbreeding depression of intr......
Across taxa,females are routinely choosier than males in selecting mates.Several hypotheses have been advanced to explai......
THE EFFECTS OF INBREEDING ON PRODUCTION TRAITS OF THE SOUTHERN BAY SCALLOP ARGOPECTEN IRRADIANS CONC
The bay scallop Argopecten irradians is a hermaphroditic marine bivalve, its geographical subspecies, A.i.irradians,......
Clonal structure and its influence on genetic structure across multiple-populations of the terrestri
Localized clonal propagation in self-compatible species should per se increase the intensity of ramet-level fine-sca......
Abstract The paternity index is one of the important parameters which paternity determination depends on. Inbreeding is ......
,The Power of Inbreeding: NGS-Based GWAS of Rice Reveals Convergent Evolution during Rice Domesticat
...
,Genomic consequences of population decline in critically endangered pangolins and their demographic
Pangolins are among the most critically endangered animals due to heavy poaching and worldwide trafficking.However,their......
Conservation genetics of a resident population of Greylag Goose (Anser anser) at the southernmost li
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Isozyme expression of Chinese and Japanese populations of Chlamys farreri and their reciprocal hybri
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Inbreeding and genetic diversity analysis in a hatchery release population and clones of Rhopilema e
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Isozyme expression of Chinese and Japanese populations of Chlamys farreri and their reciprocal hybri
Chinese and Japanese population of Chlamysfarreri and their reciprocal hybrids were surveyed in isozyme variability at 1......
Ardisia crenata Sims,one of the most widely distributed Ardisia in the world,is an important ornamental and medicinal pl......
利用笼养种群在适宜栖息地开展再引入工作是保护和恢复濒危动物野外种群数最的有效方法.近交衰退是影响笼养种群健康程度的主要风......
为了探究近交对繁殖效应的影响,本研究以国家级地方鸡种基因库保存的狼山鸡为素材,结合分子标记和系谱信息,组建高、低近交两个试......
医学遗传学是一门重要的医学生必修课。根据教育部医学本科生教育的培养要求和医学遗传学的课程特点,以传统大班课堂教学为主,结合......
为了深入了解北京地区奶牛选配技术的应用现状,北京市奶牛产业技术体系创新团队与畜禽良种产业技术创新战略联盟合作,于2015年6~8......
根据中国瘦肉猪新品系DⅣ系群猪的研究资料,我们逐头计算了个体近交系数,然后按近交系数(%)高低依次分为0~0.78,0.79~1.56,1.57~3.12.3.13~6.24,6.25~12.4,12.5~25等6个组,对各项繁殖性状、肥育性状......
期刊
推导出在近亲交配下一对等位基因群体母子间的基因型联合概率分布列;定义了在近亲交配下母子间的基因型联合信息熵;讨论了在世代交替......
根据中国瘦肉猪新品系DⅣ系群猪的研究资料,我们逐头计算了个体近交系数,然后按近交系数(%)高低依次分为0~0.78,0.79~1.56,1.57~3.12,3.13~6.24,6.25~12.4,12.5~25等6个组,对各项繁殖性状、肥育性状......
Estimation of inbreeding and identification of regions under heavy selection based on runs of homozy
Background: Runs of homozygosity(ROHs) are homozygous segments of the genome where the two haplotypes inherited from the......
分别以2010年通过2个野生个体进行交配获得的A01全同胞家系和2011年通过A01家系子代进行交配获得A02全同胞家系为亲本,在2013年6月......
迁移现象在群居动物中普遍存在、在非人灵长类中尤为突出。在非人灵长类中,大多数的迁移表现出强烈的雄性偏向性和雌性不进行迁移的......
在影响奶牛养殖效益的众多技术要素中,奶牛群体的遗传素质起着重要作用。通过科学选配,可以不断提高奶牛群体的生产水平和繁殖效率,改......
研究生培养中的"近亲繁殖"现象由来已久,近年来随着研究生招生规模的逐年扩大日趋加剧,本文试图分析这一现象产生的原因以及由此带......
青叶胆是我国特有的区域性药用植物,现已处于濒危状态。由于青叶胆分布区的片断化,各小居群存在一定的自交或近交。为检测交配方式......
搜集了西方蜜蜂(Apis mellifera L.)的8个品系的蜂王作育种素材,选用了其中的4个素材作系祖,通过人工授精的方法,采用母子回交等多......
本文运用字符标记的方法,编制了近交系数计算的程序。利用本程序计算近交系数,不需要对原始系谱整理编码,可将系谱的畜号直接输入......
以陕两省秦川牛场秦川牛保种群1965—1990期间所有系谱记录、群体规模与结构等记录为材料,首次分析统计了秦川牛的年龄特异成活率......
本文分析了陕西省秦川牛场秦川牛群近交及其对初生重、断奶重及哺乳期成活率的影响,并采用标准群体遗传学模型分析了秦川牛的致死......
过量的捕捞和不合理的人工育种措施,使中国对虾野生和养殖群体的遗传多样性均遭到不同程度的降低。本试验在相似的环境条件下养殖了......
为改良菲律宾蛤仔奶牛蛤品系的表型性状,于2010年7月以奶牛品系的全同胞子一代和子二代上选10%的个体作为亲本,采用双列杂交法,建......
中国高校中的"近亲繁衍"现象由来已久并有其存在的历史与文化基础,但这种现象与当今大学所肩负的知识创新与人才创新的任务是矛盾......
测定了团头鲂4个选育群体和一个对照群体(养殖场人繁群体)的14个座位构成的7种酶的遗传变异。两个远交群体和两个近交群体的多态位......
通过设计交配组合,建立中度近交组GM(近交系数大于0.25,家系G1,G2,G3,G4)、轻度近交组GL(近交系数0.0625—0.25,家系Z1,Z2,Z3,Z4),非近......
以2014年构建的壳金长牡蛎(Crassostrea gigas)全同胞家系为亲本,通过近交和设置对照组的方法,研究了近交对壳金长牡蛎家系幼虫期与......
Inbreeding Depression on Growth and Survival of Full-Sib Family of Manila Clam (Ruditapes philippina
In present study, the inbreeding depression (ID) of growth and survival of Manila clam (Ruditapes philippinarum) was inv......
目的培育中国特有TW(Tianjin Wild)野生小鼠来源的实验近交小鼠品系,筛选其重要的生物学特征,丰富现有实验动物基因库.方法严格按......
Elevation-related variation in the population characteristics of distylous Primula nivalis affects f
The population characteristics of distylous species are highly sensitive to stochastic natural selection pressure.Theref......
通过分组选配决策变量的提出,本文将家畜的分组过程和组间首次选配过程联立起来,建立了家畜分组选配的二次规划数学模型,实现了整......
小群体的闭锁选育不可避免产生近交及遗传方差下降,导致近期与远期选择效果的矛盾。本文通过考察猪核心群育种方案中群体规模及公母......
从一个长期闭锁繁育的水貂群体采集鲜肝样本,分离基因组DNA,用人源小卫星探针33.15和内切酶HaeⅢ制备DNA指纹图谱。......
在世代离散的情形下,应用计算机随机模拟技术研究当候选个体的遗传贡献和施加给QTL的相对权重一起被最优化时,使用多性状、多QTL信息......
本文估计了褐壳蛋鸡洛岛红(AA)和浅花苏赛克斯(BB)在正反反复选择(RRS)下的近交系数,分析了近交对选择标准饲料利用率及其相关性状......
一种扩展的动态选择规则能够在公母畜间有不同的年龄组数目的世代重叠群体内约束年近交速率为一个预定义值,逐年最大化遗传反应。该......
本研究旨在分析近交及环境因素对中国荷斯坦奶牛初配日龄(产后首配天数)、初次配妊日龄(产后配妊天数)、配妊次数等繁殖性能的影响。选......