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Showing 1 to 20 of 330 for “"Incompatibility"”.
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SELF-INCOMPATIBILITY IN CHEIRANTHUS ALLIONII
<p>The presence of a self-incompatibility (SI) system in the polyploid crucifer, Cheiranthus allionii = Siberian wallflower, was suggested by results of greenhouse screening and confirmed by results of controlled pollinations in the field. Sporophytic control of the system was indicated by a …
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Cross incompatibility between Sorghum bicolor and S. versicolor
Call number: LD2668 .T4 AGRN 1989 S86
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Incompatibility of lognormal forward-Libor and Swap market models
… to be unequal. This study investigates this incompatibility by computing the prices of caps and swaptions under both the forward Libor measure and the forward Swap measure, in both the Libor and Swap market models. This was done by building a computer program that implements the Monte Carlo …
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The incompatibility between free will theodicies and religious experience
… for theists. This problem is that there is an incompatibility between free will theodicies and religious experience. Free will theodicies are responses to the problem of evil and religious experience is form of interaction between God and people. The free will theodicies that are discussed say …
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Incompatibility of Diophantine Equations Arising from the Strong Factorial Conjecture
The Strong Factorial conjecture was recently formulated by Arno van den Essen and Eric Edo. The problem is motivated by several outstanding problems including the Jacobian, Image, and Vanishing conjectures. In this defense, we discuss how the conjecture can be reformulated in terms of systems of …
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Studies on Self-Incompatibility in Birdsfoot Trefoil, Lotus Corniculatus L
Made available in DSpace on 2014-12-10T17:12:39Z (GMT). No. of bitstreams: 1 6901458.pdf: 6521384 bytes, checksum: 4498cf4dd35b4646252327a75b24b074 (MD5) Previous issue date: 1968
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Biochemical and cell biological studies of cytoplasmic incompatibility in Drosophila
Cytoplasmic incompatibility (CI), a name given to the phenomenon by Laven (1959), results in high levels of egg mortality. CI arises when females of one strain are mated to males of another strain (usually from geographically separated regions): such crosses yield few or no progeny. CI has been …
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Challenging the incompatibility paradigm: a democratic audit of Jordan, 1990-2010
… years (1990-2010), and revisits the claims of incompatibility between democracy and both Islam and Islamism. It subjects the claims to theoretical and empirical tests. This is possible through a case study of Jordan. The state was established by Britain, and is ruled by a dynasty, which …
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Investigations of self-incompatibility (SI) in perennial ryegrass (Lolium perenne L.)
… the temperate zone. It maintains effective self-incompatibility (SI), which promotes outbreeding as well as limits the efficient production of inbred lines and hybrids. SI in L. perenne is controlled by the S and Z loci, mapping to linkage groups 1 and 2, respectively. None of the gene products …
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Self-incompatibility in Cosmos atrosanauineus: a rare Mexican endemic species of Asteraceae
… atrosanguineus exhibits strong sporophytic self-incompatibility (SSI), does not set seed, and must be propagated vegetatively, a factor that has contributed to the proliferation of closely related or identical genotypes. Microsporogenesis within the species appears normal, with no discernible …
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Identification of genes related to self-incompatibility in ryegrass (Lolium perenne L.)
Self-incompatibility (SI) is a mechanism that prevents self-pollination and inbreeding in many flowering plant species. SI in Lolium perenne is controlled by two multi-allelic loci, S and Z. The working of this SImechanism has important consequences for L. perenne breeding as it prevents the …
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Cytoplasmic incompatibility in Drosophila: Biochemical and cellular analysis of factors influencing its expression
… bacterium closely associated with cytoplasmic incompatibility in insects (CI), was purified from infected eggs and microinjected into two strains of D. melanogaster, a highly inbred laboratory strain (Oregon R), and a recently caught wild-type strain from Arizona. Infection status of the …
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Mechanics of Seashell Growth: Examining the relationship between incompatibility, shape, and internal stress
… mechanical stresses that may develop due to incompatibility has yet to be investigated. In this thesis, we present a framework that models the shell growth continuously, with an aim to investigate the role of internal stresses on the structural changes that have been reported to occur within …
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Computational Modeling of Elastic and Transformation Incompatibility at Grain Boundaries in Shape Memory Materials
… mechanisms of elastic and transformation incompatibility leading to severe stress concentration at grain boundaries. We identified grain boundary configurations which result in very large stress 3 concentrations at very low deformations due to elastic incompatibility, as well as others …
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Cytological and biochemical analyses of Wolbachia pipienitis, causative reagent of cytoplasmic incompatibility in Drosophila simulans
Cytoplasmic incompatibility (CI) refers to the male-specific sterility widely observed among various insect species. CI has been correlated to an intracellular microorganism called Wolbachia pipientis. The expression of CI results when males infected with the symbionts are crossed with uninfected …
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Archaeology Database Management: A Case Study in the Solution of Incompatibility Issues between Different Archaeological Databases
Archaeologists tend to use computerized databases to record data recovered from excavations. These databases contain large collections of information that can aid archaeologists in making educated decisions, interpretations, and test hypotheses from the recovered data. As time passed, databases …
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Archaeology Database Management: A Case Study in the Solution of Incompatibility Issues between Different Archaeological Databases
Archaeologists tend to use computerized databases to record data recovered from excavations. These databases contain large collections of information that can aid archaeologists in making educated decisions, interpretations, and test hypotheses from the recovered data. As time passed, databases …
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Investigating the role of the cytoskeleton and signalling in the self-incompatibility response of Papaver rhoeas
… a genetically controlled mechanism called self-incompatibility (SI) which allows self (incompatible) pollen to be recognised and rejected before fertilisation can occur. The SI response of Papaver rhoeas (field poppy) has been extensively studied at the molecular and cellular level. Rejection of …
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Pollination Ecology, Self-incompatibility and Genetic Diversity in the Herbaceous Eastern North American Spring Ephemeral, Erythronium americanum
… performed to examine pollen limitation and self-incompatibility. Novel molecular markers were developed and used to quantify genetic diversity, clonal diversity, and population structure. Hand pollination treatments (natural, hand supplemented and bagged flowers) showed that smaller populations …
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