The genetics of migration on the move
... blackcaps Sylvia atricapilla (Figure 1cii) have further shown that migratory traits are under strong selection and can change within a few generations [7–10]. However, migration is only one of many types of movement (Box 1); therefore, we also discuss its relation to the genetics of other movement p ...
... blackcaps Sylvia atricapilla (Figure 1cii) have further shown that migratory traits are under strong selection and can change within a few generations [7–10]. However, migration is only one of many types of movement (Box 1); therefore, we also discuss its relation to the genetics of other movement p ...
assessment of parasite-mediated selection in a
... would a series of fitness estimates from different reproductive episodes (Herrera 1993). Because the two approaches provide different perspectives on the same phenomenon, a more complete picture of phenotypic selection may be achieved by performing the two analyses simultaneously. Character values w ...
... would a series of fitness estimates from different reproductive episodes (Herrera 1993). Because the two approaches provide different perspectives on the same phenomenon, a more complete picture of phenotypic selection may be achieved by performing the two analyses simultaneously. Character values w ...
Report Number of Nuclear Divisions in the Drosophila Blastoderm
... The expression of many early zygotic genes is controlled by the zinc-finger protein Vfl (also called Zelda) [13]. We tested whether the precocious cell-cycle pause in X161 mutants is mediated by vfl-dependent genes. Analysis of X161 vfl double-mutant embryos revealed that, in contrast to X161 mutant ...
... The expression of many early zygotic genes is controlled by the zinc-finger protein Vfl (also called Zelda) [13]. We tested whether the precocious cell-cycle pause in X161 mutants is mediated by vfl-dependent genes. Analysis of X161 vfl double-mutant embryos revealed that, in contrast to X161 mutant ...
Role of 1-aminocyclopropane-1-carboxylate (ACC) Synthases
... (L.) Heynh. using screening of mutants in the triple response to ethylene in dark grown seedlings (Fig. 2; reviewed in Guo and Ecker 2004; Klee 2004; Chen et al. 2005). Analysis of these mutants suggests that ethylene is perceived by a family of membrane localized receptors. One of these genes, call ...
... (L.) Heynh. using screening of mutants in the triple response to ethylene in dark grown seedlings (Fig. 2; reviewed in Guo and Ecker 2004; Klee 2004; Chen et al. 2005). Analysis of these mutants suggests that ethylene is perceived by a family of membrane localized receptors. One of these genes, call ...
Let the meme be (a meme) - Historical and Investigative Research
... produce gradual accumulation of (sometimes very complex) adaptive—that is, purposeful—design. They have three main requirements: information must be able to leave descendant copies (inheritance), new information should be routinely generated by some process (mutation), and there should be forces res ...
... produce gradual accumulation of (sometimes very complex) adaptive—that is, purposeful—design. They have three main requirements: information must be able to leave descendant copies (inheritance), new information should be routinely generated by some process (mutation), and there should be forces res ...
Multidimensional convergence stability
... fully determined by, fitness. In a given situation, many different mutant phenotypes may have a fitness advantage over the residents, and are thus potential invaders, implying that the mutational process plays an important role in deciding which particular invasion will take place (Matessi and Di Pa ...
... fully determined by, fitness. In a given situation, many different mutant phenotypes may have a fitness advantage over the residents, and are thus potential invaders, implying that the mutational process plays an important role in deciding which particular invasion will take place (Matessi and Di Pa ...
Commentary: A century of Mendelism: on Johannsen`s genotype
... training, served, without any formal university degree, as assistant in the Chemical Department of the newly founded Carlsberg Laboratorium in Copenhagen. In 1892 he was appointed lecturer and later professor of plant physiology at the Royal Veterinary and Agricultural College of ...
... training, served, without any formal university degree, as assistant in the Chemical Department of the newly founded Carlsberg Laboratorium in Copenhagen. In 1892 he was appointed lecturer and later professor of plant physiology at the Royal Veterinary and Agricultural College of ...
On Detection - University of Connecticut
... dependencies and the information flow in a decision model in the form of a directed graph [8]. It generalizes Bayesian Networks (BNs) by introducing decision nodes to depict the decision makers and utility nodes to model the payoff or reward functions. The primary task of an influence diagram-based ...
... dependencies and the information flow in a decision model in the form of a directed graph [8]. It generalizes Bayesian Networks (BNs) by introducing decision nodes to depict the decision makers and utility nodes to model the payoff or reward functions. The primary task of an influence diagram-based ...
Darwinism About Darwinism - Peter Godfrey
... idealize, there will be cases where they get things wrong. G-S gives several insightful examples of cases in which all conditions are satisfied but no evolution by natural selection occurs, as well as cases in which some conditions are not satisfied but natural selection ensues nevertheless. Differe ...
... idealize, there will be cases where they get things wrong. G-S gives several insightful examples of cases in which all conditions are satisfied but no evolution by natural selection occurs, as well as cases in which some conditions are not satisfied but natural selection ensues nevertheless. Differe ...
Exploratory data analysis for microarray data
... given as vectors in n-dimensional space (Euclidean distance is used). ❍ For an initial choice of k cluster centers, each object is assigned to the closest of the centers. ❍ The centroids of the obtained clusters are taken as new cluster centers. ❍ This procedure is iterated until convergence. ...
... given as vectors in n-dimensional space (Euclidean distance is used). ❍ For an initial choice of k cluster centers, each object is assigned to the closest of the centers. ❍ The centroids of the obtained clusters are taken as new cluster centers. ❍ This procedure is iterated until convergence. ...
Conspecific versus heterospecific gene exchange between
... have positive or negative effects upon the recipient population. It can inhibit divergence, but, on the other hand, it has the potential to increase standing genetic variation and to introduce new, selectively advantageous, alleles to a greater extent than is possible with conspecific gene flow. As ...
... have positive or negative effects upon the recipient population. It can inhibit divergence, but, on the other hand, it has the potential to increase standing genetic variation and to introduce new, selectively advantageous, alleles to a greater extent than is possible with conspecific gene flow. As ...
The Meaning of Sex: Genes and Gender Lecture Three—Sex and
... it looks like when the X chromosomes are bound to dosage compensation protein, to dosagecompensated X chromosomes. In this case, we have an embryo, and this embryo has been stained with a dye that intercalates into DNA. It's called DAPI. We've also stained this embryo with an antibody to an sdc prot ...
... it looks like when the X chromosomes are bound to dosage compensation protein, to dosagecompensated X chromosomes. In this case, we have an embryo, and this embryo has been stained with a dye that intercalates into DNA. It's called DAPI. We've also stained this embryo with an antibody to an sdc prot ...
Nodal signaling and the zebrafish organizer
... Schier et al., 1996; Brand et al., 1996; Heisenberg and NüssleinVolhard, 1997; Pogoda et al., 2000; Sirotkin et al., 2000b). It was thus thought that these genes might provide an entry point to study the specification of axial mesoderm fates derived from the organizer. As we describe below, further ...
... Schier et al., 1996; Brand et al., 1996; Heisenberg and NüssleinVolhard, 1997; Pogoda et al., 2000; Sirotkin et al., 2000b). It was thus thought that these genes might provide an entry point to study the specification of axial mesoderm fates derived from the organizer. As we describe below, further ...
Phenotypic plasticity of phages with diverse genome sizes
... under which adaptive plasticity should evolve. Prerequisites include populations having to experience heterogeneous environments that favour alternative phenotypes, the presence of reliable environmental cues, low cost of complexity and a single phenotype not having superior fitness in all environme ...
... under which adaptive plasticity should evolve. Prerequisites include populations having to experience heterogeneous environments that favour alternative phenotypes, the presence of reliable environmental cues, low cost of complexity and a single phenotype not having superior fitness in all environme ...
שקופית 1
... Whether the LHb genes in species other than primates and equids contain an untranslated CTP-like sequence? Yes, a CTP-like sequence is cryptic in the LHb gene of several mammals but not in birds, amphibians and fishes Whether the incorporation of the cryptic CTP sequence in the bovine LHb reading fr ...
... Whether the LHb genes in species other than primates and equids contain an untranslated CTP-like sequence? Yes, a CTP-like sequence is cryptic in the LHb gene of several mammals but not in birds, amphibians and fishes Whether the incorporation of the cryptic CTP sequence in the bovine LHb reading fr ...
A Novel Mouse Chromosome 17 Hybrid Sterility Locus
... One critical question that remains unanswered concerns the natureof the initial set of events that led to the origin of the primordial t chromosome (represented within the "shaded box" in Figure 1B). In a previous attemptto better understand the parameters involved in this problem, Hammer and co-wor ...
... One critical question that remains unanswered concerns the natureof the initial set of events that led to the origin of the primordial t chromosome (represented within the "shaded box" in Figure 1B). In a previous attemptto better understand the parameters involved in this problem, Hammer and co-wor ...
Modifying effects of phenotypic plasticity on interactions among
... Huntingford, 2004). These examples suggest that plasticity may drive initial phenotypic divergence in some cases, and that genetic changes may follow in the direction of the plastic response (Pigliucci & Murren, 2003; Price et al., 2003; West-Eberhard, 2003; Crispo, 2007; Ghalambor et al., 2007). Ho ...
... Huntingford, 2004). These examples suggest that plasticity may drive initial phenotypic divergence in some cases, and that genetic changes may follow in the direction of the plastic response (Pigliucci & Murren, 2003; Price et al., 2003; West-Eberhard, 2003; Crispo, 2007; Ghalambor et al., 2007). Ho ...
Genetic and experimental studies on a pigment
... basis of the Pale phenotype is a reduction in the density of melanosomes within' melanophores. The Pale phenotype does not lead to an alteration in melanophore number, size or shape, and melanosomes were rather evenly dispersed throughout P°-/Pa melanophores as they were in P/P melanophores. Possibl ...
... basis of the Pale phenotype is a reduction in the density of melanosomes within' melanophores. The Pale phenotype does not lead to an alteration in melanophore number, size or shape, and melanosomes were rather evenly dispersed throughout P°-/Pa melanophores as they were in P/P melanophores. Possibl ...
The evolutionary history of human chromosome 7
... intermediate state, which could be derived by a pericentric inversion from the ancestral hominoid chromosome form conserved in the orangutan ([1 –3] and references therein). This particular succession of evolutionary chromosome rearrangements was one of the very few characteristics ...
... intermediate state, which could be derived by a pericentric inversion from the ancestral hominoid chromosome form conserved in the orangutan ([1 –3] and references therein). This particular succession of evolutionary chromosome rearrangements was one of the very few characteristics ...
Genome-Wide Scan of Obesity in the Old Order Amish*
... a variance components methodology. We partitioned variation in the obesity phenotype into components attributable to environmental covariates, the additive effects of genes (i.e. residual heritability), and a specific quantitative trait locus (QTL; i.e. the linkage component). These analyses were co ...
... a variance components methodology. We partitioned variation in the obesity phenotype into components attributable to environmental covariates, the additive effects of genes (i.e. residual heritability), and a specific quantitative trait locus (QTL; i.e. the linkage component). These analyses were co ...
Restless Legs Syndrome
... association to Alzheimer’s disease. • The results are extremely credible – the gene variants and their effect sizes are similar in 5 different populations in which RLS was diagnosed by 3 different groups. ...
... association to Alzheimer’s disease. • The results are extremely credible – the gene variants and their effect sizes are similar in 5 different populations in which RLS was diagnosed by 3 different groups. ...