From Darwinian Metaphysics towards Understanding the Evolution
... topics I became increasingly aware that this metaphysic is present in many other subject areas as well, such as the theory of science or of economics. Furthermore, across the globe it seems to have played a crucial role in the neo-liberal policies of unconstrained market-competition and privatisatio ...
... topics I became increasingly aware that this metaphysic is present in many other subject areas as well, such as the theory of science or of economics. Furthermore, across the globe it seems to have played a crucial role in the neo-liberal policies of unconstrained market-competition and privatisatio ...
Recurrent gene duplication leads to diverse repertoires of
... providing the foundation for genetic inheritance. Paradoxically, centromeric proteins evolve rapidly despite being essential in many organisms. We have previously proposed that this rapid evolution is due to genetic conflict in female meiosis in which centromere alleles of varying strength compete f ...
... providing the foundation for genetic inheritance. Paradoxically, centromeric proteins evolve rapidly despite being essential in many organisms. We have previously proposed that this rapid evolution is due to genetic conflict in female meiosis in which centromere alleles of varying strength compete f ...
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... • Connecting evolution and life-span development – Benefits conferred by evolutionary selection decrease with age – Natural selection primarily operates during the first half of life ...
... • Connecting evolution and life-span development – Benefits conferred by evolutionary selection decrease with age – Natural selection primarily operates during the first half of life ...
![arXiv:1004.1028v1 [q-bio.PE] 7 Apr 2010](http://s1.studyres.com/store/data/017319873_1-eed33fcefd6efcd08d19e93d0cb6871f-300x300.png)
arXiv:1004.1028v1 [q-bio.PE] 7 Apr 2010
... threshold; and iii) these selective cis-regulatory adjustments have been performed at all NEEs across a given genome, as would be expected if they are all co-evolving to a common change in the transmorphogen gradient [7]. While this study identified a heritable feature that encodes different respons ...
... threshold; and iii) these selective cis-regulatory adjustments have been performed at all NEEs across a given genome, as would be expected if they are all co-evolving to a common change in the transmorphogen gradient [7]. While this study identified a heritable feature that encodes different respons ...
Philosophy of Biology: A Contemporary Introduction
... Is life a purely physical process? Does the theory of natural selection conflict with theism and, if so, how can we rationally choose between them? What is human nature? Which of our traits are essential to us? Biology is the branch of science most immediately relevant to many distinctively human con ...
... Is life a purely physical process? Does the theory of natural selection conflict with theism and, if so, how can we rationally choose between them? What is human nature? Which of our traits are essential to us? Biology is the branch of science most immediately relevant to many distinctively human con ...
Transformations of Lamarckism
... thought, whereas the generation of developmental variations is central to Lamarckian thought. In the early twentieth century Delage and Goldsmith were already explaining what the Lamarckian stance is by contrasting it with neo-Darwinism, formulated as a challenge to the logic and relevance of Lamarc ...
... thought, whereas the generation of developmental variations is central to Lamarckian thought. In the early twentieth century Delage and Goldsmith were already explaining what the Lamarckian stance is by contrasting it with neo-Darwinism, formulated as a challenge to the logic and relevance of Lamarc ...
AP Lab Review
... (p,q) should be the same from generation to generation (H-W equilibrium) Analyze genetic drift and the effect of selection on a given population Manipulate parameters in model: Population size, selection (fitness), mutation, migration, genetic drift AP Biology ...
... (p,q) should be the same from generation to generation (H-W equilibrium) Analyze genetic drift and the effect of selection on a given population Manipulate parameters in model: Population size, selection (fitness), mutation, migration, genetic drift AP Biology ...
BUTTERFLY WING PATTERNS: Developmental Mechanisms and
... of the pattern elements (which are black and, in some cases, red) and considerable fusion between them. In this case, the wing pattern of a species, such as H. melpomene, would appear as large (but composite) areas of black, between which small windows of the yellow or white wing background would re ...
... of the pattern elements (which are black and, in some cases, red) and considerable fusion between them. In this case, the wing pattern of a species, such as H. melpomene, would appear as large (but composite) areas of black, between which small windows of the yellow or white wing background would re ...
Chapter 10
... embryo at this stage of development. Obviously, the heart must shift posteriorly to the thoracic region. This will occur primarily through an elongation of the head and neck regions. Look for the large vitelline veins coming in from the extraembryonic regions and entering the posterior chamber of th ...
... embryo at this stage of development. Obviously, the heart must shift posteriorly to the thoracic region. This will occur primarily through an elongation of the head and neck regions. Look for the large vitelline veins coming in from the extraembryonic regions and entering the posterior chamber of th ...
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... Fig. 1. Generalized anatomy of an enteropneust hemichordate. The body of an enteropneust is divided into three regions. Each body cavity or coelom, shaded in blue, is lined by mesoderm (So, somatopleura or outer lining; Sp, splanchnopleura or inner lining). The most anterior region is the proboscis ...
... Fig. 1. Generalized anatomy of an enteropneust hemichordate. The body of an enteropneust is divided into three regions. Each body cavity or coelom, shaded in blue, is lined by mesoderm (So, somatopleura or outer lining; Sp, splanchnopleura or inner lining). The most anterior region is the proboscis ...
- Journal of Clinical Investigation
... rate of fertilization in humans has contributed to sustained increases in the world population and added urgency to the need to develop new, effective contraceptive agents. For some, however, the success rate is considerably lower, and there are millions of infertile couples in the United States. Dr ...
... rate of fertilization in humans has contributed to sustained increases in the world population and added urgency to the need to develop new, effective contraceptive agents. For some, however, the success rate is considerably lower, and there are millions of infertile couples in the United States. Dr ...
Dorsoventral Patterning in Hemichordates
... developing embryos. Paradoxically, this conservation of axial patterning provides the developmental platform for astonishing anatomical and physiological diversification both within and between phyla. Clearly a major step in the evolution of bilateral animals was the origination of these domain maps ...
... developing embryos. Paradoxically, this conservation of axial patterning provides the developmental platform for astonishing anatomical and physiological diversification both within and between phyla. Clearly a major step in the evolution of bilateral animals was the origination of these domain maps ...
Palaeos Invertebrates: Cnidaria
... All the metabolic functions of the body - respiration, digestion, elimination - are carried out by diffusion. Diffusion is only an efficient means of exchange of materials only over short distances (e.g. over about 1 mm for oxygen exchange). This means that all the tissues of a cnidarian which requi ...
... All the metabolic functions of the body - respiration, digestion, elimination - are carried out by diffusion. Diffusion is only an efficient means of exchange of materials only over short distances (e.g. over about 1 mm for oxygen exchange). This means that all the tissues of a cnidarian which requi ...
- Philsci
... The SE functions of a trait are those CR functions of the same trait in ancestors which caused it to be selected. In this paper, I argue that much functional language in biology refers to CR function. Furthermore, enthusiasts for SE function are mistaken when they claim that SE function is the prima ...
... The SE functions of a trait are those CR functions of the same trait in ancestors which caused it to be selected. In this paper, I argue that much functional language in biology refers to CR function. Furthermore, enthusiasts for SE function are mistaken when they claim that SE function is the prima ...
natural selection and heredity
... gradually over many generations from a simple structure or organisation to a more complex and perfect one. Over and above this, he noted that organs which are much used tend to become larger and more highly developed as the result of this use, compared with those in an individual in which they are n ...
... gradually over many generations from a simple structure or organisation to a more complex and perfect one. Over and above this, he noted that organs which are much used tend to become larger and more highly developed as the result of this use, compared with those in an individual in which they are n ...
WHAT GOOD IS GENOMIC IMPRINTING: THE FUNCTION OF
... without a need to invoke their status as innocent bystanders18,20. The OTB has, therefore, been shown to entail no logical contradictions, if the assumptions of the hypothesis are met. The OTB can also predict the directionality that is observed in the growth-related effects of maternally silenced a ...
... without a need to invoke their status as innocent bystanders18,20. The OTB has, therefore, been shown to entail no logical contradictions, if the assumptions of the hypothesis are met. The OTB can also predict the directionality that is observed in the growth-related effects of maternally silenced a ...
Evolution, Science, and Society: Evolutionary Biology
... Biological evolution consists of change in the hereditary characteristics of groups of organisms over the course of generations. Groups of organisms, termed populations and species, are formed by the division of ancestral populations or species, and the descendant groups then change independently. H ...
... Biological evolution consists of change in the hereditary characteristics of groups of organisms over the course of generations. Groups of organisms, termed populations and species, are formed by the division of ancestral populations or species, and the descendant groups then change independently. H ...
- Megan Woolfit
... Abstract.—The reliability of molecular clocks has been questioned for several key evolutionary radiations on the basis that the clock might run fast in explosive radiations. Molecular date estimates for the radiations of metazoan phyla (the Cambrian explosion) and modern orders of mammals and birds ...
... Abstract.—The reliability of molecular clocks has been questioned for several key evolutionary radiations on the basis that the clock might run fast in explosive radiations. Molecular date estimates for the radiations of metazoan phyla (the Cambrian explosion) and modern orders of mammals and birds ...
Full Text PDF - Edorium™ Journal of Anatomy and Embryology
... branching, and form the respiratory tree through the terminal bronchioles by the end of the canalicular stage. During the sacular stage, the bronchioles divide into the respiratory bronchioles and eventually into the terminal sacs (also termed primitive alveoli). Around week 36, the terminal sacs be ...
... branching, and form the respiratory tree through the terminal bronchioles by the end of the canalicular stage. During the sacular stage, the bronchioles divide into the respiratory bronchioles and eventually into the terminal sacs (also termed primitive alveoli). Around week 36, the terminal sacs be ...
Mating type and pheromone genes in the species complex: an evolutionary perspective
... incipient species . . . may become the basis of speciation. Theodosius Dobzhansky Speciation as a Stage in Evolutionary Divergence (1940) ...
... incipient species . . . may become the basis of speciation. Theodosius Dobzhansky Speciation as a Stage in Evolutionary Divergence (1940) ...
Evolution and development of shape: integrating
... influence the development of morphological traits is the subject of a long-standing debate in biology. In particular, a central question for evo-devo is how development translates genomic variation into the shape variation that is available for evolution by selection or drift. Quantifying total gene ...
... influence the development of morphological traits is the subject of a long-standing debate in biology. In particular, a central question for evo-devo is how development translates genomic variation into the shape variation that is available for evolution by selection or drift. Quantifying total gene ...
Genome size and intron size in Drosophila
... the paucity of pseudogenes in Drosophila is the product of rampant deletion of DNA in regions not subjected to selective constraints, and they further extrapolated that different deletion rates may contribute to the divergence in genome size among taxa. Their assumption is that such a high rate of d ...
... the paucity of pseudogenes in Drosophila is the product of rampant deletion of DNA in regions not subjected to selective constraints, and they further extrapolated that different deletion rates may contribute to the divergence in genome size among taxa. Their assumption is that such a high rate of d ...
Forces that influence the evolution of codon bias
... amino acids where it is expected that the same codon would always be favoured by selection. For example, the only Phe tRNA genes known across bacteria have GAA at the anticodon site, and so UUC is always expected to be favoured over UUU, when selection is effective. Similarly, for Tyr, Asn and Ile, ...
... amino acids where it is expected that the same codon would always be favoured by selection. For example, the only Phe tRNA genes known across bacteria have GAA at the anticodon site, and so UUC is always expected to be favoured over UUU, when selection is effective. Similarly, for Tyr, Asn and Ile, ...
Factors and Natural Selection To Identify Virulence : Genetic
... selection. In this paper we describe how the results of evolutionary processes, as reflected by bacterial population characteristics, may be used to identify potential bacterial virulence factors. We use Haemophilus influenzae, whose known virulence factors are highly variable, as an example. ...
... selection. In this paper we describe how the results of evolutionary processes, as reflected by bacterial population characteristics, may be used to identify potential bacterial virulence factors. We use Haemophilus influenzae, whose known virulence factors are highly variable, as an example. ...
Macrotrachela quadricornifera featured in a space experiment
... Most rotifers lay unsegmented eggs that undergo a modified spiral pattern of cleavage with a mosaic determinative development where each blastomere is committed early to a given fate (e.g., Gilbert, 1989). Our knowledge of the pattern of embryo development of rotifers, and of bdelloids in particular, ...
... Most rotifers lay unsegmented eggs that undergo a modified spiral pattern of cleavage with a mosaic determinative development where each blastomere is committed early to a given fate (e.g., Gilbert, 1989). Our knowledge of the pattern of embryo development of rotifers, and of bdelloids in particular, ...