MATE CHOICE FOR OPTIMAL (K)INBREEDING
... The analysis of optimal inbreeding predicts that for a range of realistic values of inbreeding depression, positive F values should be observed in populations practicing mate choice for optimal inbreeding. This immediately suggests an empirical test of the model: the level of inbreeding in a populat ...
... The analysis of optimal inbreeding predicts that for a range of realistic values of inbreeding depression, positive F values should be observed in populations practicing mate choice for optimal inbreeding. This immediately suggests an empirical test of the model: the level of inbreeding in a populat ...
Ecological speciation in phytophagous insects
... ecological speciation would restrict it to situations in which barriers to gene flow are ecological in nature. However, when the goal is to understand mechanisms of speciation (as here), it is of interest when both ecological and non-ecological forms of reproductive isolation evolve ultimately due t ...
... ecological speciation would restrict it to situations in which barriers to gene flow are ecological in nature. However, when the goal is to understand mechanisms of speciation (as here), it is of interest when both ecological and non-ecological forms of reproductive isolation evolve ultimately due t ...
FREE Sample Here
... b. It helps scientists understand the phenomenon of adaptation c. It helps scientists understand mutation rates over time d. It allows scientists to study gradual change over time e. It is the only mechanisms for understanding how species become extinct ANS: B OBJ: 6 ...
... b. It helps scientists understand the phenomenon of adaptation c. It helps scientists understand mutation rates over time d. It allows scientists to study gradual change over time e. It is the only mechanisms for understanding how species become extinct ANS: B OBJ: 6 ...
FREE Sample Here
... b. it was traced to abnormalities in populations that live in a clearly defined belt ...
... b. it was traced to abnormalities in populations that live in a clearly defined belt ...
FREE Sample Here - We can offer most test bank and
... 28. Chance fluctuations of allele frequencies in the gene pool of a population a. come about due to random events at the population level. b. illustrate the operation of polygenes. c. illustrate the phenomenon of incomplete dominance of the allele for normal ...
... 28. Chance fluctuations of allele frequencies in the gene pool of a population a. come about due to random events at the population level. b. illustrate the operation of polygenes. c. illustrate the phenomenon of incomplete dominance of the allele for normal ...
biopsychology-8th-edition-pinel-test-bank
... Topic: 2.2 Human Evolution 59) The pattern of mate bonding that is most prevalent in mammals is A) promiscuity. D) polyandry. B) polygyny. E) none of the above C) monogamy. Answer: B Diff: 2 Page Ref: 33 Topic: 2.2 Human Evolution 60) According to one prominent theory, monogamy evolved in only those ...
... Topic: 2.2 Human Evolution 59) The pattern of mate bonding that is most prevalent in mammals is A) promiscuity. D) polyandry. B) polygyny. E) none of the above C) monogamy. Answer: B Diff: 2 Page Ref: 33 Topic: 2.2 Human Evolution 60) According to one prominent theory, monogamy evolved in only those ...
Predicting Adaptive Phenotypes From Multilocus Genotypes in Sitka
... (SNPs) as predictor variables simultaneously. This approach is most frequently applied to mapping populations generated by controlled crosses for the purposes of selecting germplasm for deployment or further crosses in breeding programs—so-called “genomic selection.” The goal of these methods is not ...
... (SNPs) as predictor variables simultaneously. This approach is most frequently applied to mapping populations generated by controlled crosses for the purposes of selecting germplasm for deployment or further crosses in breeding programs—so-called “genomic selection.” The goal of these methods is not ...
FEATURE SALTATION AND THE EVOLUTION OF MIMICRY
... different traits would be required, the initial phase of the two-step process becomes implausible. For this reason, and based on our evolutionary simulations, we further hypothesize that if the feature used for categorization is made up of more than one trait, selection for mimicry becomes constrain ...
... different traits would be required, the initial phase of the two-step process becomes implausible. For this reason, and based on our evolutionary simulations, we further hypothesize that if the feature used for categorization is made up of more than one trait, selection for mimicry becomes constrain ...
Constraints on the evolution of phenotypic plasticity
... greater evolutionary divergence, consistent with weakened selection under conditions where the alternative morph is favored (Snell-Rood et al., 2011). Furthermore, some of these morph-specific genes show greater genetic variation, consistent with mutation accumulation due to less effective selection, ...
... greater evolutionary divergence, consistent with weakened selection under conditions where the alternative morph is favored (Snell-Rood et al., 2011). Furthermore, some of these morph-specific genes show greater genetic variation, consistent with mutation accumulation due to less effective selection, ...
PDF
... In a diverse range of species, local rates of crossing-over correlate with genetic diversity but not with genetic divergence [28,29]. These correlations are inferred to be due to an indirect effect of recombination due to the interaction between selection and linkage and their strength can be used t ...
... In a diverse range of species, local rates of crossing-over correlate with genetic diversity but not with genetic divergence [28,29]. These correlations are inferred to be due to an indirect effect of recombination due to the interaction between selection and linkage and their strength can be used t ...
Non-conflict theories for the evolution of genomic imprinting
... 2002), and, indeed, on reading the closing paragraphs of some of the empirical papers on imprinting that discuss the evolutionary context of their findings (for example, Varrault et al., 2006) one could be forgiven for thinking it were the only one. Nevertheless, there are alternatives, a few of whi ...
... 2002), and, indeed, on reading the closing paragraphs of some of the empirical papers on imprinting that discuss the evolutionary context of their findings (for example, Varrault et al., 2006) one could be forgiven for thinking it were the only one. Nevertheless, there are alternatives, a few of whi ...
The Frequency Distribution of Nucleotide Variation in Drosophila
... Section of Evolution and Ecology, University of California at Davis Patterns of codon bias in Drosophila suggest that silent mutations can be classified into two types: unpreferred (slightly deleterious) and preferred (slightly beneficial). Results of previous analyses of polymorphism and divergence ...
... Section of Evolution and Ecology, University of California at Davis Patterns of codon bias in Drosophila suggest that silent mutations can be classified into two types: unpreferred (slightly deleterious) and preferred (slightly beneficial). Results of previous analyses of polymorphism and divergence ...
Three epigenetic information channels and their different roles in
... Up to this point, our analytic model delivers very similar results to the simulation model of Leimar et al. (2006), although this model could also evolve to mixed solutions where individuals rely partly on selectionbased information and partly on detecting their selective environment for themselves. ...
... Up to this point, our analytic model delivers very similar results to the simulation model of Leimar et al. (2006), although this model could also evolve to mixed solutions where individuals rely partly on selectionbased information and partly on detecting their selective environment for themselves. ...
The Role of Causal Processes in the Neutral and Nearly Neutral
... mutations are the result of nucleotide substitutions that yield the same amino acid (“synonymous” mutations),3 whereas nearly neutral mutations are those amino acid substitutions where there is “very little effect on the biological activity of the protein” (Kimura 1968b: 247). These definitions are ...
... mutations are the result of nucleotide substitutions that yield the same amino acid (“synonymous” mutations),3 whereas nearly neutral mutations are those amino acid substitutions where there is “very little effect on the biological activity of the protein” (Kimura 1968b: 247). These definitions are ...
the evolution of dominance in sporophytic self
... Populations are assumed to contain n unique alleles at the S-locus. Crosses between plants sharing the same S-allele specificities are assumed to be incompatible, whereas crosses between plants not sharing S-allele specificities are treated as compatible. The population is initially fixed for a sing ...
... Populations are assumed to contain n unique alleles at the S-locus. Crosses between plants sharing the same S-allele specificities are assumed to be incompatible, whereas crosses between plants not sharing S-allele specificities are treated as compatible. The population is initially fixed for a sing ...
Motoo Kimura
... of research at Iowa State, with its emphasis on subdivision of epistatic variance. Finding little interest there in stochastic models, he wrote asking to work with me at the University of Wisconsin.I gladly accepted and he came to Wisconsin early in the summerof 1954. Before the summer was over, he ...
... of research at Iowa State, with its emphasis on subdivision of epistatic variance. Finding little interest there in stochastic models, he wrote asking to work with me at the University of Wisconsin.I gladly accepted and he came to Wisconsin early in the summerof 1954. Before the summer was over, he ...
julian huxley: developmental genetics and the theory of evolution
... In Goldschmidt’s well-known book, The Material Basis of Evolution, there is a section of “mutations that influence early development” (Goldschmidt 1940). He wrote there: “I observed various compositions of several genes and connected that with a quantity of genetic material. This led to the idea tha ...
... In Goldschmidt’s well-known book, The Material Basis of Evolution, there is a section of “mutations that influence early development” (Goldschmidt 1940). He wrote there: “I observed various compositions of several genes and connected that with a quantity of genetic material. This led to the idea tha ...
INTERACTION OF SELECTION, MUTATION, AND DRIFT
... size, and all genomes are subject to mutation, these matters must be incorporated into any general theory of evolution. Thus, although the material in this chapter is confined to one- and two-locus systems, the resultant principles provide the basic building blocks for more complex models for the ev ...
... size, and all genomes are subject to mutation, these matters must be incorporated into any general theory of evolution. Thus, although the material in this chapter is confined to one- and two-locus systems, the resultant principles provide the basic building blocks for more complex models for the ev ...
my response - City, University of London
... and group interests may exist, but to the Panglossian notion propagated by WynneEdwards and his followers, such as Hayek, that group selection can exist in the absence of such mechanisms. The critical link between individual and group interest is what I will call connation. It is worth quoting Dawki ...
... and group interests may exist, but to the Panglossian notion propagated by WynneEdwards and his followers, such as Hayek, that group selection can exist in the absence of such mechanisms. The critical link between individual and group interest is what I will call connation. It is worth quoting Dawki ...
The obstruction of adaptation in diploids by recessive deleterious
... frequency trajectory of a beneficial mutation in this case is dramatically altered, causing what we have termed a “staggered sweep,” whereby the linked mutations are balanced for a period before recombination unlinks them. This balancing selection is a type of associative overdominance. However, in ...
... frequency trajectory of a beneficial mutation in this case is dramatically altered, causing what we have termed a “staggered sweep,” whereby the linked mutations are balanced for a period before recombination unlinks them. This balancing selection is a type of associative overdominance. However, in ...
Polymorphism in heterogeneous environments, evolution of habitat
... to the maintenance of an adaptive polymorphism, in a soft selection context. Although local mating does not alter the conditions for polymorphism maintenance, it is shown that, in that case, habitat selection also leads to the evolution of isolated reproductive units within each available habitat. H ...
... to the maintenance of an adaptive polymorphism, in a soft selection context. Although local mating does not alter the conditions for polymorphism maintenance, it is shown that, in that case, habitat selection also leads to the evolution of isolated reproductive units within each available habitat. H ...
On the Influence of Phenotype Plasticity on Genotype Diversity
... this paper, we will investigate the Baldwinian inheritance mechanism, not only because of its biological plausibility and the findings in [2], but also because it does not restrict our discussions to evolutionary models in which the genotype to phenotype mapping is surjective and invertible. Given t ...
... this paper, we will investigate the Baldwinian inheritance mechanism, not only because of its biological plausibility and the findings in [2], but also because it does not restrict our discussions to evolutionary models in which the genotype to phenotype mapping is surjective and invertible. Given t ...
Slide 1
... ruled out of the domestication process? • What kind of experimental design (which species? from which areas?) should be included in a study to determine the origin of maize? • Support for introgressive hybridization: genes enter the genome of one species through transfer from another species (compar ...
... ruled out of the domestication process? • What kind of experimental design (which species? from which areas?) should be included in a study to determine the origin of maize? • Support for introgressive hybridization: genes enter the genome of one species through transfer from another species (compar ...
Speciation: more likely through a genetic or through a learned
... that individuals would express when experience does not affect habitat choice. Biologically relevant values of g can range from 0 (absolute preference for habitat A) through 0.5 (no preference) to 1 (absolute preference for habitat B). The habitat preference resulting from g can be modified by the l ...
... that individuals would express when experience does not affect habitat choice. Biologically relevant values of g can range from 0 (absolute preference for habitat A) through 0.5 (no preference) to 1 (absolute preference for habitat B). The habitat preference resulting from g can be modified by the l ...
ENVIRONMENTAL STRESS AND ITS EFFECTS ON MUTATION
... heritable variation (Kavanaugh and Shaw 2005). While such mechanisms as recombination can shuffle alleles around producing new phenotypes, selective forces must have heritable variation on which to act when creating new adaptations. The original source of heritable variations in the genome is new mu ...
... heritable variation (Kavanaugh and Shaw 2005). While such mechanisms as recombination can shuffle alleles around producing new phenotypes, selective forces must have heritable variation on which to act when creating new adaptations. The original source of heritable variations in the genome is new mu ...