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Abbreviation for fertility factor. A bacterial plasmid that confers the ability to function as a genetic donor in conjugation. See: Hfr.
- Browse Related Terms: carrier DNA DNA, co-integrate vector system, E. coli, episome, F factor, Hfr, incompatibility group, IPTG, mobilization, par gene, pBR322, Plasmid (p), relaxed circle plasmid, resistance factor, T-DNA (transfer DNA, tumor-DNA), tripartite mating, Tumor-inducing plasmid, tumour-inducing plasmid
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Abbreviation for filial generation 1. The initial hybrid generation resulting from a cross between two parents. See Fn.
- Browse Related Terms: A, ACP, AI, ASA, BOD, Bt, C, CBD, ccc DNA, cM, cpDNA, EDV, F1, g, GDP, GLP, GRAS, GUS, Hup+, log phase, LPS, MAS, messenger RNA, monocot, mtDNA, NFT, OLA, OPU, ORF, PEG, PG, Phage, PHB, PPM, PR protein, PWP, RH, RIA, RIP, RNAase, RNase, RuBP, SC, SCA, SCE, SCP, simple sequence repeat, SNP, sperm, ssDNA, T, U, VSG
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Subsequent hybrid generations, counting from the F1. Thus, for example, F4 describes the progeny of the F3, which is the progeny of the F2 generation, where all progeny are derived from intercrossing or self-fertilization.
- Browse Related Terms: amphidiploid, cross pollination efficiency, endogamy, exogamy, F1, F2, Fn, heterosis, hybrid vigour, inbreeding depression, Introgression, parasexual hybridization
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The second hybrid generation, produced either by intercrossing two F1 individuals, or by self-fertilizing an F1 individual. See Fn.
- Browse Related Terms: allozygote, antagonist, co-transformation, complementation test, dihaploid, dimorphism, essential derivation of varieties, F2, genet, genetic heterogeneity, genetic variation, germplasm, intragenic complementation, isogenic, mass selection, maternal effect, negative selection, P1, P2, provenance, selection response, sub-strain, twin
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A product of hydrolysis of an IgG antibody, consisting of the variable region with some of the constant region of a heavy chain, and an entire light chain. Contains a single antigen -binding site.
- Browse Related Terms: abzyme, antibody class, antibody structure, complementarity-determining regions, DAB, Fab, FC, hypervariable region, IgA/Igd/IgG/IgE/IgM, immunoglobulin, immunosensor, in situ hybridization, kappa chain, lambda chain, V region
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- Browse Related Terms: cell sorter, FACS, Flow cytometry, glycoform, helper T cell, helper T lymphocyte, non-autonomous
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A mating scheme in which each male parent is mated with each female parent. Made possible in animals by means of in vitro embryo production. Such a mating scheme substantially reduces the rate of inbreeding in a selection programme.
- Browse Related Terms: artificial inembryonation, blastomere, Blastula, embryo multiplication and transfer, embryo splitting, embryo storage, factorial mating, foetus, gastrula, germ layer, inembryonation, mesoderm, nuclear transfer
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An organism that will grow under either aerobic or anaerobic conditions.
- Browse Related Terms: Aerobe, Aerobic, anaerobe, anaerobic digestion, Archaea, Biological oxygen demand, facultative anaerobe, suppressor-sensitive mutant
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- Browse Related Terms: base, base analogue, Base pair (bp), Complementary nucleotides, FAD, Nitrogenous base, Nitrogenous bases, nucleoside, nucleotide, purine, pyrimidine, RNA (ribonucleic acid), Transition, transversion
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See: pseudocarp.
- Browse Related Terms: alpha globulin, autocatalytic reaction, biological ageing, Cofactor, deoxycytidine, diplochromosome, DMSO, ER, Estrogen, false fruit, filial generation, gobar, haplozygous, heat therapy, hemolymph, homeodomain, idiogram, immunochemical control, in situ plaque hybridization, lac repressor-lac promoter system, mariculture, Michaelis constant, molecular pharming, nullisomic, photoautotroph, pleiotropic, poly-(A) tail, procaryotic, septate, T0, T1 and T2 cell, ultrasonication, viviparous, water soaked
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A negative assay result that should have been positive.
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A positive assay result that should have been negative.
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Those animal species that are used, or may be used, for the production of food and agriculture, and the populations within each of them. Within each species, these populations can be classified as wild and feral populations, landraces and primary populations, standardized breeds, selected lines, and any conserved genetic material.
- Browse Related Terms: additive genetic variance, balanced polymorphism, breed at risk, EBV, elite tree, farm animal genetic resources, fertile, founder animal, genetic diversity, genetic selection, narrow-sense heritability, non-additive genetic variation, Population genetics, selection, true-to-type
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Rights to hold germplasm, covered by plant variety protection, as a seed source for subsequent seasons. Considered as optional for governments to include in their legislation. Synonym: farmer-saved seed.
- Browse Related Terms: Centers of origin, cry proteins, cultivar, farmers' privilege, glyphosate oxidase, Herbicide-tolerant crop, Intellectual property rights, plant breeders' rights, Plant-incorporated protectants, PvP, Roundup-readyä, StarLinkTM
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Rights first recognized by Resolution 5 of the 1989 FAO Conference as "rights arising from the past, present and future contributions of farmers in the conservation, improvement and the making available of plant genetic resources "; this item became an attachment to the 'International Undertaking on Plant Genetic Resources '. The binding 'International Treaty on Plant Genetic Resources for Food and Agriculture ' that resulted from the renegotiations of the Undertaking makes provision for the Farmers' Rights in Article 9.
- Browse Related Terms: chaperonin, farmers' rights, International Treaty on Plant Genetic Resources for Food and Agriculture, International Undertaking on Plant Genetic Resources, Minimal tillage practices, molecular chaperone, Monoculture, productivity, Soil conservation practices, utilization of farm animal genetic resources
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A product of hydrolysis of an IgG antibody, consisting of parts of the constant regions of two heavy chains held together by a disulphide bridge, but excluding the antigen -binding regions, and also excluding the light chains.
- Browse Related Terms: abzyme, antibody class, antibody structure, complementarity-determining regions, DAB, Fab, FC, hypervariable region, IgA/Igd/IgG/IgE/IgM, immunoglobulin, immunosensor, in situ hybridization, kappa chain, lambda chain, V region
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- Browse Related Terms: Codex Alimentarius Commission, FDA, Food and Drug Administration (FDA), food processing enzyme, Food, Drug, and Cosmetic Act, Labeling of foods, nutriceutical, pharmacokinetics, Public Health Service Act, residue, Salmonella, starter culture Micro-organisms
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Culture of cells or micro-organisms where nutrients are added periodically to the bioreactor.
- Browse Related Terms: chemostat, co-culture, culture room, fed-batch fermentation, laminar air-flow cabinet, membrane bioreactor, micro-carrier, microalgal culture, nurse culture, paper raft technique, Petri dish, phytostat, raft culture, stationary culture, tank bioreactor
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