نتایج جستجو برای: f1 hybrids
تعداد نتایج: 42213 فیلتر نتایج به سال:
To identify the developmental stage during which the preferential inactivation of rRNA genes from the rye parent occurs in wheat x rye hybrids, nucleolar activity was evaluated in the embryo and endosperm of developing seeds of the hybrids. The hybrids were obtained from crosses of euploid and aneuploid lines of hexaploid wheat, Triticum aestivum cv. Chinese Spring, with rye, Secale cereale cv....
Surprisingly, a high frequency of interspecific sea turtle hybrids has been previously recorded in a nesting site along a short stretch of the Brazilian coast. Mitochondrial DNA data indicated that as much as 43% of the females identified as Eretmochelys imbricata are hybrids in this area (Bahia State of Brazil). It is a remarkable find, because most of the nesting sites surveyed worldwide, inc...
Heterosis is a fundamental biological phenomenon characterized by the superior performance of a hybrid over its parents in many traits, but the underlying molecular basis remains elusive. To investigate whether DNA methylation plays a role in heterosis, we compared at single-base-pair resolution the DNA methylomes of Arabidopsis thaliana Landsberg erecta and C24 parental lines and their recipro...
For the evolution of new pearl millet hybrids with diverse cytoplasmic background suitable for specific areas and condition, there is a need for diversified CMS sources among locally adaptable lines and identification of locally adaptable restorers. The present study was undertaken to screen the male sterile and restorer lines among the crosses of five male sterile lines and thirty inbreds of p...
Opiumpoppy (Papaver somniferum L.) is one of the important and oldest cultivated medicinal plant used to extract morphine, papaverine, thebaine, codeine and other alkaloids. This study aimed to determine general and specific combining abilities of F1 hybrids obtained from various crosses and their parental lines for developing appropriate breeding material for future breeding programs. The resu...
In this study, the cardiovascular response to exhaustive exercise among differentiated stocks of largemouth bass Micropterus salmoides was compared at 10 degrees C and 20 degrees C to assess the level of their local adaptation. In addition, the impact that interstock hybridization had on adaptive differences was assessed using F1 hybrids. To accomplish these assessments, four genetically distin...
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