A biometrical analysis of a mating characteristic in Drosophilia.

abstract：:Atlantic Coast striped bass exhibit exceptionally low levels of genetic variation. The ability of the randomly amplified polymorphic DNA (RAPD) method to uncover genetic variation in this highly conserved species was investigated. Sufficient levels of variation were detected to allow a population genetic analysis of t...

journal_title：Heredity

authors： Bielawski JP,Pumo DE

更新日期：1997-01-01 00:00:00

abstract：:Genetic diversity is a fundamental requirement for evolution and adaptation. Nonetheless, the forces that maintain patterns of genetic variation in wild populations are not completely understood. Neutral theory posits that genetic diversity will increase with a larger effective population size and the decreasing effec...

journal_title：Heredity

authors： Hague MT,Routman EJ

更新日期：2016-01-01 00:00:00

abstract：:Geographical patterns of gene flow and drift were analysed in the commensal cellar spider Pholcus phalangioides to get insight into the causes affecting genetic variation in this species strictly associated with man. Our sampling consisted of 23 subpopulations collected over five urban regions in central Europe (dista...

journal_title：Heredity

authors： Schäfer MA,Hille A,Uhl GB

更新日期：2001-01-01 00:00:00

abstract：:A conspicuous shell polychromatism is observed in colonies of Cepaea nemoralis from western France (Brittany). The present study is intended to search for a spatial structure of shell features at this scale and to infer evolutionary processes from the observed patterns. We used a database of morph frequencies (six com...

journal_title：Heredity

authors： Bellido A,Madec L,Arnaud JF,Guiller A

更新日期：2002-01-01 00:00:00

abstract：:Differences in mating time between populations can give rise to premating reproductive isolation. Tephritid fruit flies exhibit large variation in mating time among intra- or inter-specific populations. We previously cloned the clock gene period from two strains of melon fly, Bactrocera cucurbitae; in one the individu...

journal_title：Heredity

authors： Fuchikawa T,Sanada S,Nishio R,Matsumoto A,Matsuyama T,Yamagishi M,Tomioka K,Tanimura T,Miyatake T

更新日期：2010-04-01 00:00:00

abstract：:Competition among individuals is central to our understanding of ecology and population dynamics. However, it could also have major implications for the evolution of resource-dependent life history traits (for example, growth, fecundity) that are important determinants of fitness in natural populations. This is becaus...

journal_title：Heredity

authors： Wilson AJ

更新日期：2014-01-01 00:00:00

abstract：:The quantitative genetic properties are derived for the bulk F2 originating from random fertilization (RF) amongst hybrid (F1) individuals. Only its mean appears to have been derived previously, and that definition is confirmed (by another method). New general equations are found also for all genotype frequencies, all...

journal_title：Heredity

authors： Gordon IL

更新日期：2000-07-01 00:00:00

abstract：:Farmed fish are typically genetically different from wild conspecifics. Escapees from fish farms may contribute one-way gene flow from farm to wild gene pools, which can depress population productivity, dilute local adaptations and disrupt coadapted gene complexes. Here, we reanalyse data from two experiments (McGinni...

journal_title：Heredity

authors： Reed TE,Prodöhl P,Hynes R,Cross T,Ferguson A,McGinnity P

更新日期：2015-08-01 00:00:00

abstract：:Forty-two homozygous lines each isoallelic for the Esterase 6 (Est-6) locus were extracted from a natural population of Drosophila melanogaster. Homogenates of 4-5 day old virgin adults of each sex from several replicate cultures of each line were assayed for EST6 activity. Depending on the line, males had from three ...

journal_title：Heredity

authors： Game AY,Oakeshott JG

更新日期：1989-02-01 00:00:00

abstract：:Genetic analyses of population structure can be placed in explicit environmental contexts if appropriate environmental data are available. Here, we use high-coverage and high-resolution oceanographic and genetic sequence data to assess population structure patterns and their potential environmental influences for hump...

journal_title：Heredity

authors： Mendez M,Subramaniam A,Collins T,Minton G,Baldwin R,Berggren P,Särnblad A,Amir OA,Peddemors VM,Karczmarski L,Guissamulo A,Rosenbaum HC

更新日期：2011-10-01 00:00:00

abstract：:Genetic variation that is expressed only under specific environmental conditions can contribute to additional adverse effects of inbreeding if environmental conditions change. We present a proteomic characterization of a conditional lethal found in an inbred line of Drosophila melanogaster. The lethal effect is appare...

journal_title：Heredity

authors： Pedersen KS,Codrea MC,Vermeulen CJ,Loeschcke V,Bendixen E

更新日期：2010-02-01 00:00:00

abstract：:In the semienclosed Adriatic Sea, the shared stocks of the cephalopods Loligo vulgaris and Sepia officinalis represent important marine fisheries resources exploited by all coastal countries. The improving of knowledge on the demographic features of these shared stocks is internationally relevant for adopting responsi...

journal_title：Heredity

authors： Garoia F,Guarniero I,Ramsak A,Ungaro N,Landi M,Piccinetti C,Mannini P,Tinti F

更新日期：2004-08-01 00:00:00

abstract：:Understanding the local and regional patterns of species distributions has been a major goal of ecological and evolutionary research. The notion that these patterns can be understood through simple quantitative rules is attractive, but while numerous scaling laws exist (e.g., metabolic, fractals), we are aware of no s...

journal_title：Heredity

authors： Bangert RK,Lonsdorf EV,Wimp GM,Shuster SM,Fischer D,Schweitzer JA,Allan GJ,Bailey JK,Whitham TG

更新日期：2008-02-01 00:00:00

abstract：:We investigate the effects of consanguinity and population substructure on genetic health using the UK Asian population as an example. We review and expand upon previous treatments dealing with the deleterious effects of consanguinity on recessive disorders and consider how other factors, such as population substructu...

journal_title：Heredity

authors： Overall AD,Ahmad M,Nichols RA

更新日期：2002-06-01 00:00:00

abstract：:Reaction norms or tolerance curves have often been used to predict how organisms deal with fluctuating environments. A potential drawback is that reaction norms measured in different constant environments may not capture all aspects of organismal responses to fluctuating environments. We examined growth of the filamen...

journal_title：Heredity

authors： Kronholm I,Ketola T

更新日期：2018-10-01 00:00:00

abstract：:Fluctuating asymmetry (FA) has been proposed as a tool to measure levels of stress experienced by populations of organisms during development. To be of value as a bio-marker to highlight conditions at particular sites, it is important that variation in FA is due to environmental (eg pollution) variation and not geneti...

journal_title：Heredity

authors： Mpho M,Callaghan A,Holloway GJ

更新日期：2002-04-01 00:00:00

abstract：:In prediction of genomic values, the single-step method has been demonstrated to outperform multi-step methods. In statistical analyses of longitudinal traits, the random regression test-day model (RR-TDM) has clear advantages over other models. Our goal in this study was to evaluate the performance of a model that in...

journal_title：Heredity

authors： Kang H,Zhou L,Mrode R,Zhang Q,Liu JF

更新日期：2017-12-01 00:00:00

abstract：:Evolve and resequence (E&R) is a new approach to investigate the genomic responses to selection during experimental evolution. By using whole genome sequencing of pools of individuals (Pool-Seq), this method can identify selected variants in controlled and replicable experimental settings. Reviewing the current state ...

journal_title：Heredity

authors： Schlötterer C,Kofler R,Versace E,Tobler R,Franssen SU

更新日期：2015-05-01 00:00:00

abstract：:In this work we report the development and characterization of 10 microsatellite loci for the endangered tree species Caryocar brasiliense. Using genomic library enrichment, the efficiency of SSR marker development was 14.4% from sequencing data to operationally useful loci. Primer sequences for this set of 10 loci ar...

journal_title：Heredity

authors： Collevatti RG,Brondani RV,Grattapaglia D

更新日期：1999-12-01 00:00:00

abstract：:The ubiquity of satellite DNA (satDNA) sequences has raised much controversy over the abundance of divergent monomer variants and the long-time nucleotide sequence stability observed for many satDNA families. In this work, we describe the satDNA BIV160, characterized in nine species of the three main bivalve clades (P...

journal_title：Heredity

authors： Plohl M,Petrović V,Luchetti A,Ricci A,Satović E,Passamonti M,Mantovani B

更新日期：2010-06-01 00:00:00

abstract：:F-statistics were employed to analyse quantitative and allozyme variation among 19 native populations of maritime pine (Pinus pinaster Ait.). Fourteen polymorphic allozyme loci were used to provide an empirical basis for constructing a null hypothesis to test natural selection as a determinant of quantitative evolutio...

journal_title：Heredity

authors： González-Martínez SC,Alía R,Gil L

更新日期：2002-09-01 00:00:00

abstract：:I made use of the known dates of reclamation (and of afforestations) in the IJsselmeerpolders in The Netherlands to assess evolutionary adaptation in Cepaea nemoralis. At 12 localities (three in each polder), I sampled a total of 4390 adult individuals in paired open and shaded habitats, on average 233 m apart, and sc...

journal_title：Heredity

authors： Schilthuizen M

更新日期：2013-03-01 00:00:00

abstract：:Parasitic wasps (parasitoids) use volatiles from the plants infested by phytophagous insects to locate host herbivores, but their behavioural response to such semiochemicals is highly variable. Bi-directional selection on Cotesia glomerata (Hymenoptera: Braconidae) was conducted to investigate the importance of geneti...

journal_title：Heredity

authors： Wang Q,Gu H,Dorn S

更新日期：2003-10-01 00:00:00

abstract：:In social Hymenoptera, within-colony relatedness is usually high due to the haplodiploid sex-determining system. However, factors such as the presence of multiple reproductive queens (polygyny), multiple queen matings (polyandry) or worker reproduction result in decreased relatedness among workers and the brood they r...

journal_title：Heredity

authors： Timmermans I,Hefetz A,Fournier D,Aron S

更新日期：2008-12-01 00:00:00

abstract：:Six populations of Trimerotropis pallidipennis located along an altitudinal gradient in the Antinaco-Los Colorados valley (La Rioja, Argentina), were cytologically analysed. The male karyotype consists of 23 chromosomes (22 + XO) with three long pairs submetacentric, the X-chromosome metacentric and the remaining ones...

journal_title：Heredity

authors： Confalonieri VA,Colombo PC

更新日期：1989-02-01 00:00:00

abstract：:Recent evidence suggests the frequent occurrence of a simple non-Darwinian (but non-Lamarckian) model for the evolution of adaptive phenotypic traits, here entitled the plasticity-relaxation-mutation (PRM) mechanism. This mechanism involves ancestral phenotypic plasticity followed by specialization in one alternative ...

journal_title：Heredity

authors： Hughes AL

更新日期：2012-04-01 00:00:00

abstract：:Indirect genetic effects (IGE) occur when the genotype of an individual affects the phenotypic trait value of another conspecific individual. IGEs can have profound effects on both the magnitude and the direction of response to selection. Models of inheritance and response to selection in traits subject to IGEs have b...

journal_title：Heredity

authors： Bijma P

更新日期：2014-01-01 00:00:00

abstract：:Spatial patterns of genetic variation can reveal otherwise cryptic evolutionary and landscape processes. In northwestern Costa Rica, an approximately concordant genetic discontinuity occurs among populations of several plant species. We conducted phylogeographic analyses of an epiphytic orchid, Brassavola nodosa, to t...

journal_title：Heredity

authors： Trapnell DW,Hamrick JL,Smallwood PA,Kartzinel TR,Ishibashi CD,Quigley CTC

更新日期：2019-11-01 00:00:00

abstract：:The prevalence of Haldane's rule suggests that sex chromosomes commonly have a key role in reproductive barriers and speciation. However, the majority of research on Haldane's rule has been conducted in species with conventional sex determination systems (XY and ZW) and exceptions to the rule have been understudied. H...

journal_title：Heredity

authors： Moran PA,Ritchie MG,Bailey NW

更新日期：2017-06-01 00:00:00

abstract：:Invasive hybrids and their spread dynamics pose unique opportunities to study evolutionary processes. Invasive hybrids of native Spartina foliosa and introduced S. alterniflora have expanded throughout San Francisco Bay intertidal habitats within the past 35 years by deliberate plantation and seeds floating on the tid...

journal_title：Heredity

authors： Sloop CM,Ayres DR,Strong DR

更新日期：2011-04-01 00:00:00