Will Marchuk - Red Deer College
... Deferred Exams: A student who has missed or will miss a final exam because of illness, domestic affliction, or other compelling reason must apply to the registrar for a deferred final exam. Be prepared to supply a letter from a medical doctor or other verification. Supplemental Exams: If a student f ...
... Deferred Exams: A student who has missed or will miss a final exam because of illness, domestic affliction, or other compelling reason must apply to the registrar for a deferred final exam. Be prepared to supply a letter from a medical doctor or other verification. Supplemental Exams: If a student f ...
Chapter 15
... 31. An agricultural researcher has carried out a selection regime on corn plants in an attempt to increase the number of kernels per cob. The researcher is applying directional selection by choosing only the plants with the top 5% number of kernels per cob to be planted for the next generation. Afte ...
... 31. An agricultural researcher has carried out a selection regime on corn plants in an attempt to increase the number of kernels per cob. The researcher is applying directional selection by choosing only the plants with the top 5% number of kernels per cob to be planted for the next generation. Afte ...
Epigenetic Inheritance, Genetic Assimilation and Speciation
... Epigenetic inheritance systems enable the environmentally induced phenotypes to be transmitted between generations. Jablonka and Lamb (1991, 1995) proposed that these systems have a substantial role during speciation. They argued that divergence of isolated populations may be "rst triggered by the a ...
... Epigenetic inheritance systems enable the environmentally induced phenotypes to be transmitted between generations. Jablonka and Lamb (1991, 1995) proposed that these systems have a substantial role during speciation. They argued that divergence of isolated populations may be "rst triggered by the a ...
- Journal of Dentofacial Anomalies and Orthodontics
... teeth in humans and primates are the incisors, the canine-first premolar complex, and the molars. We shall see that, even in primates, these fields may or may not embrace neighbouring teeth. From the point of view of evolutionary and adaptive genetics, the canine is distinguished by its propensity t ...
... teeth in humans and primates are the incisors, the canine-first premolar complex, and the molars. We shall see that, even in primates, these fields may or may not embrace neighbouring teeth. From the point of view of evolutionary and adaptive genetics, the canine is distinguished by its propensity t ...
PDF sample
... Chapter 3 is a selective history of attempts to explain sex ratio. The problem arises in connection with every sexual species. Why, for example, do human populations have approximately equal numbers of males and females? This question was addressed in the eighteenth century by three important probab ...
... Chapter 3 is a selective history of attempts to explain sex ratio. The problem arises in connection with every sexual species. Why, for example, do human populations have approximately equal numbers of males and females? This question was addressed in the eighteenth century by three important probab ...
- Wiley Online Library
... Intraspecific variation is a major component of biodiversity, yet it has received relatively little attention from governmental and nongovernmental organizations, especially with regard to conservation plans and the management of wild species. This omission is ill-advised because phenotypic and gen ...
... Intraspecific variation is a major component of biodiversity, yet it has received relatively little attention from governmental and nongovernmental organizations, especially with regard to conservation plans and the management of wild species. This omission is ill-advised because phenotypic and gen ...
Johnson, K. P. 1999. The evolution of bill coloration and plumage
... this is the case. Females of species with bright male bill coloration often have colored bills (10 out of 14 species). This could be due to a genetic correlation between males and females which causes bill coloration to be present in females because it is being selected for in males (Fisher, 1930; L ...
... this is the case. Females of species with bright male bill coloration often have colored bills (10 out of 14 species). This could be due to a genetic correlation between males and females which causes bill coloration to be present in females because it is being selected for in males (Fisher, 1930; L ...
THE PREDICTION OF ADAPTIVE EVOLUTION: EMPIRICAL
... The Soay sheep population inhabiting Village Bay on the island of Hirta, St. Kilda, has been the subject of intensive, individualbased study since 1985. Each year, extensive censusing and field work is conducted during which the majority of the lambs born in the study area are caught, individually t ...
... The Soay sheep population inhabiting Village Bay on the island of Hirta, St. Kilda, has been the subject of intensive, individualbased study since 1985. Each year, extensive censusing and field work is conducted during which the majority of the lambs born in the study area are caught, individually t ...
Fission and fusion of Darwin`s finches populations
... increasing genetic variation because it simultaneously affects numerous genetic loci. The total effect on continuously varying traits can be up to two or three orders of magnitude greater than mutation (Grant & Grant 1994). Introgression can be particularly effective in small isolated populations, s ...
... increasing genetic variation because it simultaneously affects numerous genetic loci. The total effect on continuously varying traits can be up to two or three orders of magnitude greater than mutation (Grant & Grant 1994). Introgression can be particularly effective in small isolated populations, s ...
Fission and fusion of Darwin`s finches populations
... increasing genetic variation because it simultaneously affects numerous genetic loci. The total effect on continuously varying traits can be up to two or three orders of magnitude greater than mutation (Grant & Grant 1994). Introgression can be particularly effective in small isolated populations, s ...
... increasing genetic variation because it simultaneously affects numerous genetic loci. The total effect on continuously varying traits can be up to two or three orders of magnitude greater than mutation (Grant & Grant 1994). Introgression can be particularly effective in small isolated populations, s ...
CHAPTER 10 Changes in biodiversity over time
... In the early 1800s, the general view held by many scientists, particularly in Britain, was that species were unchanging and that each species was fixed in its structure and characteristics for all time. According to this view, each species was the result of an act of creation — a view known as the s ...
... In the early 1800s, the general view held by many scientists, particularly in Britain, was that species were unchanging and that each species was fixed in its structure and characteristics for all time. According to this view, each species was the result of an act of creation — a view known as the s ...
Evolutionary Approaches to Creativity
... been capable of representing an idea once the object was no longer being present, such representations were more likely to be visual rather than verbal (Feist, 2006). Also, thought during this time period was most likely only first-order; the capacity for thinking about thinking (i.e., metacognition ...
... been capable of representing an idea once the object was no longer being present, such representations were more likely to be visual rather than verbal (Feist, 2006). Also, thought during this time period was most likely only first-order; the capacity for thinking about thinking (i.e., metacognition ...
- Wiley Online Library
... selection in speciation (Wallace, 1889). Consequently, reinforcement has been referred to as the Wallace effect (Grant, 1966). During the modern synthesis, Dobzhansky (1940) advocated for a role of reinforcement in the formation of reproductively isolating mechanisms, by arguing that maladaptive hyb ...
... selection in speciation (Wallace, 1889). Consequently, reinforcement has been referred to as the Wallace effect (Grant, 1966). During the modern synthesis, Dobzhansky (1940) advocated for a role of reinforcement in the formation of reproductively isolating mechanisms, by arguing that maladaptive hyb ...
Physically strong men are more militant: A test across four countries
... 1.3. Fighting ability and warfare If natural selection designed mental adaptations to navigate the selection pressures inherent in ancestral warfare, then such mechanisms should regulate an individual's support for war as a function of variables that – ancestrally – predicted the reproductive conseq ...
... 1.3. Fighting ability and warfare If natural selection designed mental adaptations to navigate the selection pressures inherent in ancestral warfare, then such mechanisms should regulate an individual's support for war as a function of variables that – ancestrally – predicted the reproductive conseq ...
Aesthetic evolution by mate choice: Darwin`s really dangerous idea
... sexual selection could give rise to arbitrary traits. His book is filled with examples of the evolution of distinct ‘standards of beauty’ in different species or populations. To Darwin, these differences evolve not through any correlation with environmental factors, but through the action of mate ch ...
... sexual selection could give rise to arbitrary traits. His book is filled with examples of the evolution of distinct ‘standards of beauty’ in different species or populations. To Darwin, these differences evolve not through any correlation with environmental factors, but through the action of mate ch ...
Genome-wide patterns of divergence during speciation: the lake
... to accumulate in a few, but large genomic ‘islands’ of reduced gene flow [5,10–12]. Conversely, selection can also act simultaneously on many physically unlinked genomic regions. Under this view, genomes are highly porous and islands of speciation, as small as a single gene, are scattered throughout ...
... to accumulate in a few, but large genomic ‘islands’ of reduced gene flow [5,10–12]. Conversely, selection can also act simultaneously on many physically unlinked genomic regions. Under this view, genomes are highly porous and islands of speciation, as small as a single gene, are scattered throughout ...
Aesthetic evolution by mate choice: Darwin`s really dangerous idea
... sexual selection could give rise to arbitrary traits. His book is filled with examples of the evolution of distinct ‘standards of beauty’ in different species or populations. To Darwin, these differences evolve not through any correlation with environmental factors, but through the action of mate ch ...
... sexual selection could give rise to arbitrary traits. His book is filled with examples of the evolution of distinct ‘standards of beauty’ in different species or populations. To Darwin, these differences evolve not through any correlation with environmental factors, but through the action of mate ch ...
The evolutionary links between fixed and variable traits - AGRO
... the correct match among traits. This can only be a sufficient solution in a population with high fecundity, for it implies low juvenile survival. It also generates strong selection for more efficient solutions. The second is that the developing organism somehow automatically (without natural selecti ...
... the correct match among traits. This can only be a sufficient solution in a population with high fecundity, for it implies low juvenile survival. It also generates strong selection for more efficient solutions. The second is that the developing organism somehow automatically (without natural selecti ...
dos and don`ts of testing the geographic mosaic theory of coevolution
... spots. The data required for this statistical framework are 1) traits of interacting individuals and 2) fitness consequences of individual interactions for both ...
... spots. The data required for this statistical framework are 1) traits of interacting individuals and 2) fitness consequences of individual interactions for both ...
Chapter 13 PowerPoint File
... • Polygenic traits tend to produce phenotypes that vary more or less continuously. • Single gene traits tend to produce only a few distinct phenotypes. ...
... • Polygenic traits tend to produce phenotypes that vary more or less continuously. • Single gene traits tend to produce only a few distinct phenotypes. ...
Reviving the Superorganism
... (v) Major terms surrounding this subject, such as "individual selection", "group selection", etc. have acquired multiple and conflicting meanings. Several conceptual frameworks exist that masquerade as competing theories, but which actually are alternative ways of analyzing a common process of evolu ...
... (v) Major terms surrounding this subject, such as "individual selection", "group selection", etc. have acquired multiple and conflicting meanings. Several conceptual frameworks exist that masquerade as competing theories, but which actually are alternative ways of analyzing a common process of evolu ...
The Genetic Architecture of Ecological Specialization: Correlated
... made in most models. First, it is generally assumed that no selection occurs directly on the assortative mating or habitat choice loci (Felsenstein 1981; Diehl and Bush 1989; Johnson and Gullberg 1998). Instead, selection is assumed to act indirectly through poor performance of hybrid progeny, and i ...
... made in most models. First, it is generally assumed that no selection occurs directly on the assortative mating or habitat choice loci (Felsenstein 1981; Diehl and Bush 1989; Johnson and Gullberg 1998). Instead, selection is assumed to act indirectly through poor performance of hybrid progeny, and i ...
Software for Evolutionary Analysis © 2002 Jon C
... Charles Darwin identified natural selection as the mechanism of adaptive evolution. Darwin's theory of evolution by natural selection works as follows: If a population contains variation, and if the variation is at least partly heritable, and if some variants survive to reproduce at higher rates tha ...
... Charles Darwin identified natural selection as the mechanism of adaptive evolution. Darwin's theory of evolution by natural selection works as follows: If a population contains variation, and if the variation is at least partly heritable, and if some variants survive to reproduce at higher rates tha ...
Natural Selection or the Non-survival of the Non-fit
... 1. INTRODUCTION Population biology is considered to be the science that studies those processes in the field that are expected to result in significant changes of the genetic and phenotypic composition of the population, which ultimately will lead to evolutionary processes. Therefore, both populatio ...
... 1. INTRODUCTION Population biology is considered to be the science that studies those processes in the field that are expected to result in significant changes of the genetic and phenotypic composition of the population, which ultimately will lead to evolutionary processes. Therefore, both populatio ...
Force–velocity trade-off in Darwin`s finch jaw function: a
... to different food types might then contribute to mating isolation, at least to the extent that the relevant song parameters are used in mate selection. Previous studies of Geospiza finches have shown that females choose mates largely on the basis of song parameters (Grant & Grant 1997, 1998). Our go ...
... to different food types might then contribute to mating isolation, at least to the extent that the relevant song parameters are used in mate selection. Previous studies of Geospiza finches have shown that females choose mates largely on the basis of song parameters (Grant & Grant 1997, 1998). Our go ...