Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Relationships among estimates of inbreeding depression, dominance" potx
Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Relationships among estimates of inbreeding depression, dominance" potx
... remaining ten estimates were below 5%. Alltraits with larger estimates of dominance were body traits.The estimates of the dominance variance were within 10-29% of the estimates of ... On average, the estimates of the dominance variance increase slightlywith increasing additive variance. The regression of the estimates of dominanceINTRODUCTIONGenetic ... ’dominance content’ in the data was small and thesampling variance of the dominance estimates was high. Second, inbreeding wascalculated without considering the missing...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: correlated variations between segments" doc
... correlations from isofemale lines data? b) To what extent aredifferent genes involved in determining the extension of black pigment in different body segments? c) We ... that of abdominalsegment 5 in more cases than with that of abdominal segment 7. In previous work[9, 13] it was argued that different shapes of reaction norms in different ... example, in absence of a significant temperature effect, we calculated a single value for each isofemaleline, as carried out in table IIL Values of the ten lines could...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Analysis of factors affecting length of competitive life of jumping horses" pot
... smallernumber of starts than horses remaining alive throughout this year. To assess theinfluence of the level of earnings regardless of the influence of the number of starts,an ... of jumping, involving a long training period. He also needs to preservehis physical strength.IMPLICATIONFrom a genetic improvement point of view, the length of jumping ... was defined in order to obtainadjustment factors for earnings, as independent as possible of the number of starts.Consequently, this model included a ’number of starts’...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Detection of on cytoplasmic production" pptx
... sire contribute equally (with the exception of sex-linked genes in the heterogametic offspring sex) to the genotype of their offspring, it is accepted thatprogeny performance ... effects included in themodel were year of record and sex. A single record at hogget age was analysed.For the fitting of the cytoplasmic effect the female in the base ... probability of finding significant cytoplasmic effects wasassessed by use of likelihood ratio tests of model 7 versus model 3, assuming that -2 2times the difference in log...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Réponse à la chaleur de poules pondeuses issues de lignées sélectionnées pour une faible (R ou forte (R consommation ) ) + alimentaire résiduelle" pdf
... M6rat P (1991) Evidence of a genetic control of diet-induced thermogenesis in poultry. In : Proceedings of the 12 th Symposium of EnergyMetabolism of Farm Animals, EAAP ... the line x treatment interaction was significant, especially for residualfood intake, water intake, 48-week body weight and adult body weight variation, indicatingthat ... control of body weightchange in hen during the laying period. Arch Gefliigelk 41, 121-124Leeson S, Caston LJ (1993) Does environmental temperature influence body weight:...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Autosomal recessive myotonia in sheep" potx
... paternal grandoffspring of one of the rams, andmaternal grandoffspring of the other. No affected lambs were produced from anymating that did not have at least one of these ... congenita in sheep causes episodes of muscular rigor followingvarious stimuli. Episodes are transitory and do not harm the animal. Incidence in theflock of origin included ... grandsire matings are consistentwith the gene being introduced by the two rams and not existing in the flock beforetheir use.The only instances of affected lambs in this...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Breeding structure of Drosophila buzzatii in relation to competition in prickly pears (Opuntia ficus-indica)" potx
... numbers of mating pairs contributingto a breeding site. The main steps of our reasoning for disentangling the effects of drift and selection are summarized in figure ... the wing length of D buzzatiiwas significantly negatively correlated with the density of D simulans in 108 hcontrol fruits, the relative intensities of intra- and interspecific ... experiment designed to investigate the incidence of compe-tition in Opuntia ficus-indica fruits (prickly pears) in the field, together with ananalysis of genetic diversity...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: A pericentric inversion of chromosome 4 in pigs" pot
... generations of offspring of boar !1!, as well as on theparents of boar (2!. The abnormality was then diagnosed again in karyotypes of two other boars of the same ... time) and of the inversion (normal or invertedchromosome 4). The reproductive performance of boars was also analysed usinga linear model including the following fixed ... The karyotypes of 17 offspring of boar !1!, produced by mating this boar to three different dams,were prepared. All six offspring of the first dam ((9! in fig 1) carried...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Expression a of X chromosome fragility in Holstein-Friesian cattle: preliminary study" ppsx
... including thecultivation of cells in folate-deficient medium (Glover, 1981; Sutherland and Hecht,1985). Manifestation of Fra Xq in cattle, as observed in this preliminary ... or infertile depending upon the type of chromosome defectsustained. The adverse effect of a chromosome defect is expressed in monotocousanimals as an increased interval ... repeat breedings, longcalving intervals and abortions in individual cases. These assessments both agreewith and reinforce previous cases presented in the literature in which...
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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Dominant black in horses" doc
... basis for the testing of hypotheses concerning the inheritance of horsecolor. These studies also tended to use the principles of homology in assigning lociand alleles ... NoteDominant black in horsesDP SponenbergMC WeiseDepartment of Biosciences and Pathobiology,Virginia-Maryland Regional College of Veterinary Medicine,Virginia Tech, Blacksburg, ... Agouti locus in keeping with principles of homology (Wilson, 1910; Wright,1917; Adalsteinsson, 1976; Lauvergne et al, 1991).The existence of a dominant black in horses has...
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