Inversion polymorphisms in Trimerotropis pallidipennis (Orthoptera): clinical variation along an altitudinal gradient.

abstract：:We have studied in Drosophila melanogaster the effects of allozyme variation at the alpha Gpdh and Adh loci on the following fitness components: female fecundity, egg hatchability, egg-to-adult survival under near-optimal and competitive conditions, rate of development under near-optimal and competitive conditions, an...

journal_title：Heredity

authors： Izquierdo JI,Rubio J

更新日期：1989-12-01 00:00:00

abstract：:We established three closed lines of N = 10 for the guppy Poecilia reticulata, to evaluate the relationships among temporal changes in allele frequency, genetic variation and inbreeding depression for a fitness-related trait in small populations. Genetic variation at the allozyme loci, expressed by the proportion of p...

journal_title：Heredity

authors： Shikano T,Chiyokubo T,Taniguchi N

更新日期：2001-02-01 00:00:00

abstract：:Small populations of our study species Ranunculus reptans have reduced fitness because of inbreeding, genetic load, and reduced mate availability; that is, they suffer from a three-fold genetic Allee effect. Here, we investigate how the effect of interpopulation outbreeding on offspring fitness depends on population s...

journal_title：Heredity

authors： Willi Y,Fischer M

更新日期：2005-12-01 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：:The phytophagous insects that damage crops are often polyphagous, feeding on several types of crop and on weeds. The refuges constituted by noncrop host plants may be useful in managing the evolution in pest species of resistance to the Bacillus thuringiensis toxins produced by transgenic crops. However, the benefits ...

journal_title：Heredity

authors： Martel C,Réjasse A,Rousset F,Bethenod MT,Bourguet D

更新日期：2003-02-01 00:00:00

abstract：:Understanding the evolution of female multiple mating (polyandry) is crucial for understanding sexual selection and sexual conflict. Despite this interest, little is known about its genetic basis or whether genetics influences the evolutionary origin or maintenance of polyandry. Here, we explore the quantitative genet...

journal_title：Heredity

authors： Shuker DM,Phillimore AJ,Burton-Chellew MN,Hodge SE,West SA

更新日期：2007-02-01 00:00:00

abstract：:Growth rate of 12 groups of common carp was measured at five experimental environments. Three of the 12 tested groups were strains of the domesticated European race of the common carp, one group was a representative of the Big-Belly Chinese race, and the remaining eight groups were F1 crossbreds among the European str...

journal_title：Heredity

authors： Moav R,Hulata G,Wohlfarth G

更新日期：1975-06-01 00:00:00

abstract：:For morphological traits that are negatively correlated, the genetic correlation (rg) between them might strongly influence patterns of morphological divergence and shape. Here, the pattern of divergence between two sibling species of cactophilic Drosophila, D. buzzatii and D. koepferae, is examined for two traits tha...

journal_title：Heredity

authors： Norry FM,Vilardi JC,Hasson E

更新日期：2000-08-01 00:00:00

abstract：:Assessing in wild populations how fitness is impacted by inbreeding and genetic drift is a major goal for conservation biology. An approach to measure the detrimental effects of inbreeding on fitness is to estimate correlations between molecular variation and phenotypic performances within and among populations. Our s...

journal_title：Heredity

authors： Luquet E,Léna JP,David P,Prunier J,Joly P,Lengagne T,Perrin N,Plénet S

更新日期：2013-04-01 00:00:00

abstract：:Local adaptation is a common feature of plant and animal populations. Adaptive phenotypic traits are genetically differentiated along environmental gradients, but the genetic basis of such adaptation is still poorly known. Genetic association studies of local adaptation combine data over populations. Correcting for po...

journal_title：Heredity

authors： Kujala ST,Knürr T,Kärkkäinen K,Neale DB,Sillanpää MJ,Savolainen O

更新日期：2017-05-01 00:00:00

abstract：:Hybridization between crops and their weedy or wild relatives is an area of concern because the widespread use of genetically engineered crops may allow novel, beneficial transgenes to enter nearby populations. We compared fitness components of wild Cucurbita pepo from Arkansas, USA, with wild-crop hybrids derived fro...

journal_title：Heredity

authors： Spencer LJ,Snow AA

更新日期：2001-06-01 00:00:00

abstract：:The ecological theory of adaptive radiation predicts that the evolution of phenotypic diversity within species is generated by divergent natural selection arising from different environments and competition between species. Genetic connectivity among populations is likely also to have an important role in both the ori...

journal_title：Heredity

authors： Kapralova KH,Morrissey MB,Kristjánsson BK,Olafsdóttir GÁ,Snorrason SS,Ferguson MM

更新日期：2011-03-01 00:00:00

abstract：:Connectivity is widely recognized as an important component in developing effective management and conservation strategies. Although managers are generally most interested in demographic, rather than genetic connectivity, new analytic approaches are able to provide estimates of both demographic and genetic connectivit...

journal_title：Heredity

authors： Thomas L,Bell JJ

更新日期：2013-10-01 00:00:00

abstract：:The central aim of evolutionary biology is to understand patterns of genetic variation between species and within populations. To quantify the genetic variation underlying intraspecific differences, estimating quantitative genetic parameters of traits is essential. In Pterygota, wing morphology is an important trait a...

journal_title：Heredity

authors： Xia S,Pannebakker BA,Groenen MAM,Zwaan BJ,Bijma P

更新日期：2020-08-01 00:00:00

abstract：:Recent molecular evidence has shown that many MHC polymorphisms are not only shared between species but are in fact identical at the molecular level. Species that share these polymorphisms may be very distantly related and often diverged millions of generations ago. It is now known that this phenomenon is very unlikel...

journal_title：Heredity

authors： Golding B

更新日期：1992-03-01 00:00:00

abstract：:The genetic control of self-incompatibility (SI) was studied in the Mediterranean short-lived perennial species Anagallis monelli (Primulaceae: Myrsinaceae). Arrays of siblings, including families derived from reciprocal crosses, were cross-pollinated in full diallels, and compatibility groups were assesssed from a ce...

journal_title：Heredity

authors： Talavera S,Gibbs PE,Fernández-Piedra MP,Ortiz-Herrera MA

更新日期：2001-11-01 00:00:00

abstract：:To confirm whether sex-linked genes of the silkworm are dosage compensated or not, we investigated three RAPDs and one RFLP marker which have been mapped to the Z chromosome as candidate genes to test for dosage compensation. Northern blot analysis demonstrated that one of the RAPDs, T15.180a, is transcribed into seve...

journal_title：Heredity

authors： Suzuki MG,Shimada T,Kobayashi M

更新日期：1998-09-01 00:00:00

abstract：:Two hundred and thirty-six mitochondrial DNA nucleotide sequences were used in combination with polymorphism at four nuclear microsatellite loci to assess the amount and distribution of genetic variation within and between African savannah elephants. They were sampled from 11 localities in eastern, western and souther...

journal_title：Heredity

authors： Nyakaana S,Arctander P,Siegismund HR

更新日期：2002-08-01 00:00:00

abstract：:Cultural transmission may depend on the non-genetic transfer of information from parent to offspring. The consequences of such cultural transmission for continuous variation are investigated theoretically for randomly mating populations. Cultural inheritance may act on genetical and environmental differences between i...

journal_title：Heredity

authors： Eaves L

更新日期：1976-08-01 00:00:00

abstract：:At treeline, selection by harsh environmental conditions sets an upward limit to arboreal vegetation. Increasing temperatures and the decline of traditional animal raising have favoured an upward shift of treeline in the last decades. These circumstances create a unique opportunity to study the balance of the main for...

journal_title：Heredity

authors： Piotti A,Leonardi S,Piovani P,Scalfi M,Menozzi P

更新日期：2009-08-01 00:00:00

abstract：:Chromosome polymorphism in Drosophila buzzatii is under selection but the genes responsible for the effect of the inversions of fitness are unknown. On the other hand, there is evidence for selection on several allozyme loci but the presence of paracentric inversions on the second chromosome, where most of the polymor...

journal_title：Heredity

authors： Betrán E,Quezada-Díaz JE,Ruiz A,Santos M,Fontdevila A

更新日期：1995-02-01 00:00:00

abstract：:We present an approach for quantitative trait locus (QTL) mapping, termed as 'lineage-specific QTL mapping', for inferring allelic changes of QTL evolution along with branches in a phylogeny. We describe and analyze the simplest case: by adding a third taxon into the normal procedure of QTL mapping between pairs of ta...

journal_title：Heredity

authors： Chen C,Ritland K

更新日期：2013-08-01 00:00:00

abstract：:Understanding genetic mechanisms of self-incompatibility (SI) and how they evolve is central to understanding the mating behaviour of most outbreeding angiosperms. Sporophytic SI (SSI) is controlled by a single multi-allelic locus, S, which is expressed in the diploid (sporophyte) plant to determine the SI phenotype o...

journal_title：Heredity

authors： Brennan AC,Tabah DA,Harris SA,Hiscock SJ

更新日期：2011-01-01 00:00:00

abstract：:The study of local adaptation is rendered difficult by many evolutionary confounding phenomena (for example, genetic drift and demographic history). When complex traits are involved in local adaptation, phenomena such as phenotypic plasticity further hamper evolutionary biologists to study the complex relationships be...

journal_title：Heredity

authors： de Villemereuil P,Gaggiotti OE,Mouterde M,Till-Bottraud I

更新日期：2016-03-01 00:00:00

abstract：:Inbreeding (mating between relatives) can dramatically reduce the fitness of offspring by causing parts of the genome to be identical by descent. Thus, measuring individual inbreeding is crucial for ecology, evolution and conservation biology. We used computer simulations to test whether the realized proportion of the...

journal_title：Heredity

authors： Kardos M,Luikart G,Allendorf FW

更新日期：2015-07-01 00:00:00

abstract：:Determining the mechanisms responsible for the distribution of genetic diversity in natural populations has occupied a central role in molecular evolution. Our study was motivated by the unprecedented observation that a widespread Eurasian flycatcher, Ficedula albicilla, exhibited no variation at the mitochondrial DNA...

journal_title：Heredity

authors： Hung CM,Zink RM

更新日期：2014-07-01 00:00:00

abstract：:A type of lower motor neuron (LMN) disease inherited as autosomal recessive in Romney sheep was characterized with normal appearance at birth, but with progressive weakness and tetraparesis after the first week of life. Here, we carried out genome-wide homozygosity mapping using Illumina Ovine SNP50 BeadChips on lambs...

journal_title：Heredity

authors： Zhao X,Onteru SK,Dittmer KE,Parton K,Blair HT,Rothschild MF,Garrick DJ

更新日期：2012-09-01 00:00:00

abstract：:Flowering time differences between metal-tolerant and nontolerant populations of the grass Anthoxanthum odoratum growing across a mine boundary have persisted for over 40 years. These flowering time differences result in a high degree of prezygotic genetic isolation (isolation index=0.43) between the tolerant mine pop...

journal_title：Heredity

authors： Antonovics J

更新日期：2006-07-01 00:00:00

abstract：:Theory presented in a previous paper has been used to provide a description of the responses expected from selection in two or more generations of a selfing series. Optimum two-stages and multi-stage selection programmes are described, for a limited set of circumstances, and compared with the single-stage designs desc...

journal_title：Heredity

authors： Cornish MA

更新日期：1990-10-01 00:00:00

abstract：:Here I develop the idea that ubiquitous harmful genome-wide mutation with local differentiation favors dispersal, even though migration reduces average fitness. Historical contingency of the mutational process means that demes (sub-populations) differentiate from one another. Deleterious or lethal partially recessive ...

journal_title：Heredity

authors： Morgan MT

更新日期：2002-10-01 00:00:00