[PDF] Top 20 Predicción de radiación solar a partir de modelos de series temporales
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Reproductive Biology and Speciation in Drosophila pseudoobscura
... female reproductive tract. The presence of D. pseudoobscura parasperm was previously shown to prevent eusperm death from female spermicides (15), and we expanded upon these results to test whether both ... See full document
20
The Speciation history of Drosophila pseudoobscura and Close Relatives: Inferences from DNA Sequence Variation at the Period Locus
... For the interspecific estimates, however, current levels of shared variation may be remnants from the time of speciation, in which case the Nm estimates could be much gre[r] ... See full document
106
Ancestral polymorphisms in Drosophila pseudoobscura and Drosophila miranda
... the speciation event that generated the species in which they ...both Drosophila pseudoobscura and Drosophila miranda, using Drosophila affinis as an ... See full document
19
Sexual and postmating reproductive isolation between allopatric Drosophila montana populations suggest speciation potential
... various reproductive barriers and their role in speciation have been investi- gated in a number of recently diverged taxa, including plants [13], fungi [14], African cichlids [15], three-spined sticklebacks ... See full document
68
Evolution of water conservation mechanisms in Drosophila
... Other authors have argued that the relative importance of respiratory water loss is greater in xeric species because of greatly reduced cuticular permeability (Lighton et al., 1993; Zachariassen, 1996). Thus, a ... See full document
186
GENETIC VARIATION FOR DISPERSAL BY DROSOPHILA PSEUDOOBSCURA AND DROSOPHILA PERSIMILIS
... These field data are consistent with the belief that habitat choice and resource partitioning occur in these populations, but lacking has been a direct demonstration [r] ... See full document
85
LINKAGE GROUPS IN DROSOPHILA PSEUDOOBSCURA, RACE B
... In race B, Smoky is a good workable dominant for linkage tests in the second group and Curly in the fourth.. Only two recessives are known in the third group and none in the fifth.[r] ... See full document
39
GENETIC MAPS OF THE AUTOSOMES IN DROSOPHILA PSEUDOOBSCURA
... The gene bithorax was first reported by CREW and LAMY (1934b) as an autosomal recessive mutant, causing an enlargement of the balancers.. In extreme cases, the balancers may take[r] ... See full document
69
GENOTYPIC BACKGROUND AND HETEROSIS IN DROSOPHILA PSEUDOOBSCURA
... The parents of the experimental populations reported in this section were F1 hybrids between strains in which the third chromosomes with CH gene arrangements of Mexican ori[r] ... See full document
94
SELECTION FOR DEVELOPMENTAL RATE IN DROSOPHILA PSEUDOOBSCURA
... Five among the lines selected for rapid development had regression coefficients significantly different from zero, although a statistical test showed no significant heterogeneity a[r] ... See full document
67
CONCURRENT INBREEDING AND SELECTION IN DROSOPHILA PSEUDOOBSCURA
... The results of the F, analysis, then, indicate that selection should be effective in increasing body weight (due to additive genetic variance) and that inbreeding depression shoul[r] ... See full document
58
Reproductive Biology of Ficus beipeiensis
... F. beipeiensis is a dioecious and narrow field distribution species found on limestone soil in Jinyun Mountain, Chongqing, China. Site survey revealed that the wild plants found comprised one male and four females. Only ... See full document
18
Genetic and Cytological Maps of the Autosomes in Drosophila pseudoobscura
... the cytological maps that genes Bo.re the interr~;cic:l ~:nd Since it is now lmovm in purple definitely lie within inversion,s o:f the second and third chromosomes respec- tively, arn'l [r] ... See full document
117
GENETICS OF SEXUAL ISOLATION BETWEEN DROSOPHILA PSEUDOOBSCURA AND DROSOPHILA PERSIMILIS
... Number of females dissected (hi) and percentage carrying sperm (%) in crosses between backcross hybrid females, D. pseudo- persimilis, CHROMOSOMES HYBRID ALIEN SP. pseud[r] ... See full document
5
SUBSTRATE-PREFERENCE POLYMORPHISM AT AN ESTERASE LOCUS OF DROSOPHILA MOJAVENSIS
... SINGH (1976) has attempted to discover just such a type of variation at the alcohol dehydrogenase loci of Drosophila pseudoobscura. He examined eight such loci, of whi[r] ... See full document
85
Studies on Vegetative and Reproductive Ecology of Paris polyphylla Smith: A Vulnerable Medicinal Plant
... Paris polyphylla Smith is an important medicinal plant that is considered vulnerable in many parts of the world. The species exhibits poor adaptability to changed environment and susceptible to climatic conditions for ... See full document
169
The reproductive biology of Nerine (Amaryllidaceae)
... 6.4 Discussion The fertility status of 83 Nerine cultivars held in the Channel Bulbs collection has been established through controlled crosses and in vitro pollen germination.. Several [r] ... See full document
14
The reproductive biology of Nerine (Amaryllidaceae)
... Application of in vitro pollination, ovary culture, ovule culture and embryo rescue for overcoming incongruity barriers in interspecific Lilium crosses.. and van Dien, M.P.[r] ... See full document
70
POPULATION GENETICS OF DROSOPHILA AMYLASE. V. GENETIC BACKGROUND AND SELECTION ON DIFFERENT CARBOHYDRATES
... Frequency changes in amylase allozymes and patterns of tissue-specific expres- sion of amylase have been monitored in laboratory populations of Drosophila pseudoobscura mainta[r] ... See full document
409
ORIGIN OF REPRODUCTIVE ISOLATION IN THE ABSENCE OF APPARENT GENIC DIFFERENTIATION IN A GEOGRAPHIC ISOLATE OF DROSOPHILA PSEUDOOBSCURA
... Since we observe that 14% BC, males with the Y chromosome of Bogot6 are sterile (Table 3B) we may conclude that the Y chromosomes plays no role in male sterility; if the [r] ... See full document
172
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