Fitness traits
Dominance and Overdominance of Mildly Deleterious Induced Mutations for Fitness Traits in Caenorhabditis elegans
... Littell, R. C., G. A. Milliken, W. W. Stroup and R. D. Wolfinger, We thank S. P. Otto, D. Promislow, and M. Pineda-Krch for extensive 1996 SAS System for Mixed Models. SAS Institute, Cary, NC. discussion; M. Lynch and M. ...
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GENETIC ANALYSIS OF FITNESS TRAITS IN TUMOROUS-HEAD STRAINS OF DROSOPHILA MELANOGASTER
... The origin of the genetic systems giving rise to reduced productivity of female homokaryotypes in the tu-h and tu-h(CT) strains, and the high frequency of male sterility in[r] ...
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Spontaneous Mutational Effects on Reproductive Traits of Arabidopsis thaliana
... ence of mutational properties will require further statis- A major difficulty in assessing mutation rates and ef- tical development to address these limitations. Further, fects of mutations is that the estimation method ...
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Comparing evolvability and variability of quantitative traits.
... The high additive genetic and residual variability of fitness traits might be explained by the great number of genetic and environmental events they are affected by, or by a la[r] ...
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Responding to change : phenotypic plasticity and local adaptation, case studies using native and invasive Erodium species
... ] that invasive species show greater phenotypic plasticity across various growth, morphological, physiological and fitness traits compar ed with cooccurrin g non-invasive species tested[r] ...
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A systematic review of phenotypic responses to between-population outbreeding
... responses. Fitness components (especially survival and viability) had consistently lower outbreeding re- sponses than other ...phological traits. This observation is consistent with our result that ...
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Inferring deleterious-mutation parameters in natural daphnia populations
... Deng and Lynch (1, 2) proposed to characterize deleterious genomic mutations from changes in the mean and genetic variance of fitness traits upon selfing in outcrossing populations. Such observations can be ...
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Heterosis for Viability, Fecundity, and Male Fertility in Drosophila melanogaster: Comparison of Mutational and Standing Variation
... The contrast between the results for female fecundity and those for male fertility suggests that mutations affecting different fitness traits may differ in their average dominance proper[r] ...
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Genomic Response to Natural Selection within Alpine Cattle Breeds
... The aim of this study was to analyse the genomic regions that have been target of natural selection with respect to identifying the loci responsible mainly for fitness traits across six alpine cattle ...
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Mapping Quantitative Trait Loci Affecting Life History Traits in the Nematode Caenorhabditis elegans
... Evidence that a single genetic locus shows negatively correlated phenotypic variation for two different life history or fitness traits, such as survival and fertility,[r] ...
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In Vivo Fitness Associated with High Virulence in a Vertebrate Virus Is a Complex Trait Regulated by Host Entry, Replication, and Shedding
... viral fitness in vivo for two genotypes of the vertebrate virus Infectious hematopoietic necrosis virus (IHNV) ...viral fitness. Here we sought to determine the mechanism of these fitness differences ...
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AN EXPERIMENTAL TEST OF THE RELATIONSHIP BETWEEN GENETIC VARIATION AND ENVIRONMENTAL VARIATION IN TRIBOLIUM FLOUR BEETLES
... The hypothesis that a component of genetic variation for polygenic fitness traits is maintained by environmental heterogeneity was tested using an experi- mental sys[r] ...
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Evolutionary consequences and fitness correlates of extra pair mating in the tūī, Prosthemadera novaeseelandiae
... I use the New Zealand tūī, Prosthemadera novaeseelandiae (Meliphagidae) to examine these hypotheses. The tūī provides an excellent model to test this, because among socially monogamous bird species, tūī are extreme in ...
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Alternative models for allozyme-associated heterosis in the marine bivalve Spisula ovalis.
... Correlations between allozyme heterozygosity and fitness-related traits, especially growth, have been documented in natural populations of marine bivalves.. However, n o consiste[r] ...
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Hybridization between two cestode species and its consequences for intermediate host range
... If the species are separated by postzygotic isolation, it may be that they hybridize frequently, but are either out- competed by the pure lines or show a F2 hybrid break- down [55-57]. We could show that at least the F1 ...
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Evidence for Selection-by-Environment but Not Genotype-by-Environment Interactions for Fitness-Related Traits in a Wild Mammal Population
... of traits to show that patterns of genetic (co)variance remain relatively unchanged in starkly contrasting environmental conditions in great tits, Parus major (Garant et ...phological traits varied ...
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Growth and ontogeny of the tapeworm Schistocephalus solidus in its copepod first host affects performance in its stickleback second intermediate host
... in fitness induced by the feeding ...larval traits (growth and ontogeny) and the fitness components was surely induced by the feeding treatment and thus ...larval traits and fitness, ...
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Evolutionary consequences and fitness correlates of extra pair mating in the tūī, Prosthemadera novaeseelandiae
... phenotypic traits that have evolved through male-male competition and/or female mate ...selected traits. It is argued that females increase offspring fitness by maximising the benefits they receive ...
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Evolutionary quantitative genetics of nonlinear developmental system
... , traits, denoted z, where fitness, W , may be treated as any ...inputs, traits, and fitness, such as that often used in path analyses of natural ...
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An evolutionary approach to the optimisation of autonomous pod distribution for application in an urban transportation service
... be selected if they have a higher fitness in the generation. This weighted selection is done through the use of a roulette selector. This was implemented in this program through each chromosome in the generation ...
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