نتایج جستجو برای: inbred population
تعداد نتایج: 720142 فیلتر نتایج به سال:
Genome-wide association studies using commercially available outbred mice can detect genes involved in phenotypes of biomedical interest. Useful populations need high-frequency alleles to ensure high power to detect quantitative trait loci (QTLs), low linkage disequilibrium between markers to obtain accurate mapping resolution, and an absence of population structure to prevent false positive as...
Gene diversity, or expected heterozygosity (H), is a common statistic for assessing genetic variation within populations. Estimation of this statistic decreases in accuracy and precision when individuals are related or inbred, due to increased dependence among allele copies in the sample. The original unbiased estimator of expected heterozygosity underestimates true population diversity in samp...
In the current study, a set of 96 recombinant inbred lines (RIL) at F8, derived from a cross between two varieties, Anbarbu (sensitive to drought stress) and Sepidroud (tolerant to drought stress) were used. The experiment was performed at Gonbad Kavous located in the Golestan province of Iran in 2010–2011 using two augmented designs at normal and stress conditions, separately. The RIL populati...
Interpopulation hybridization can increase the viability of small populations suffering from inbreeding and genetic drift, but it can also result in outbreeding depression. The outcome of hybridization can depend on various factors, including the level of genetic divergence between the populations, and the number of source populations. Furthermore, the effects of hybridization can change betwee...
Maize with high grain protein and oil contents offers great advantages for human food and animal feed. In this study, grain protein contents of 282 and 263 F7:8 recombinant inbred lines (RILs) of 2 crosses were evaluated in 4 environments within and between populations. The RILs were developed from crosses between an inbred high-oil maize line and 2 normal dent inbred maize lines. A total of 16...
C-type cytoplasmic male sterility (CMS-C) is widely utilized for hybrid maize seed production. However, genetic mechanisms underlying the fertility restoration are very complicated. At present, there is a divergence on the number of fertility restorer genes in maize inbred line A619 for CMS-C. To further elucidate the restoring mechanism of A619, we used genetic analysis and molecular markers t...
بسنوئیتیوزیز یک بیماری انگلی مهم از نظر اقتصادی است که واگیری بالا و مرگ ومیر پایین دارد و به صورت بیماری مزمن، دامنه وسیعی از حیوانات اهلی و وحشی را درگیر کرده و دارای گسترش جهانی است که باعث ایجاد خسارت های اقتصادی زیادی می شود. اطلاعات در زمینه انتقال بسنوئیتیا ناچیز است و گزارشی مبنی بر انتقال بسنوئیتیا کاپره به حیوانات آزمایشگاهی وجود ندارد. لذا این پژوهش به منظور ارزیابی پاتوژنز بیماری و ...
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