نتایج جستجو برای: vanessa f1 hybrid
تعداد نتایج: 213673 فیلتر نتایج به سال:
Background and Objectives: General acceptance of the goat milk products in Iran addresses needs of hybridization of this livestock with increasing characteristics of milk production and adaptation to various climates of Iran. The objectives of this study were to develop a kefir drink from Mahabadi and Alpine Hybrid (F1) and investigate its quality characteristics and sensory stability during pr...
In this communication it is demonstrated that T cells from fully allogeneic A replaced by B radiation bone marrow chimeras are alloreactive against the hybrid Ia molecules expressed on the surface of heterozygous A X B cells. These results suggested that previous failures to generate cytotoxic T lymphocyte (CTL) responses from fully allogeneic chimeras by sensitizing the chimeric T cells to ant...
the identification of parental inbred lines to develop superior hybrids is a rather costly and time-consuming step in maize breeding. in some cases, pedigree information has been used to select diverse parental lines. in the case of iranian maize inbred lines, this information is not fully available. in this study we investigated the genetic distance (gd) based on simple sequence repeats (ssr) ...
Antigen-specific major histocompatibility complex (MHC)-restricted helper T cell precursors were induced to proliferate in cultures of keyhole limpet hemocyanin-primed lymph node cells. Clones of F1 hybrid helper T cells were isolated in limiting-dilution cultures. Each positive culture at a limiting-dilution of lymph node cells gave rise to > 10 helper T cells with a single MHC-restricted spec...
We investigated whether genetic radiosensitivity-related changes in mtDNA/nDNA ratios are significant to mitochondrial function and if a material effect on mtDNA content and function exists. BALB/c (radiosensitive), C57BL/6 (radioresistant), and F1 hybrid mouse strains were exposed to total body irradiation. Hepatic genomic DNA was extracted, and mitochondria were isolated. Mitochondrial oxygen...
We analyzed the genetic basis of postzygotic isolation between the Bogota and USA subspecies of Drosophila pseudoobscura. These subspecies diverged very recently (perhaps as recently as 155,000 to 230,000 years ago) and are partially reproductively isolated: Bogota and USA show very little prezygotic isolation but form sterile F1 males in one direction of the hybridization. We dissected the bas...
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