• Key Results Among the examined diploid species, only two well-differentiated evolutionary lineages were recognized: Anthoxanthum gracile and A. alpinum. (muni.cz)
  • Analyzing a very variable diploid species T . erythrospermum enabled the definition of four basic phenotypes based on leaf shape. (springer.com)
  • Methods: We used a target enrichment approach across 37 diploid Helianthus species/subspecies with a total of 103 accessions. (datadryad.org)
  • This file contains the aligned 96789bp chloroplast sequences from 103 accessions across 37 diploid Helianthus species/subspecies and the outgroup Phoebanthus tenuifolius. (datadryad.org)
  • This is the file that contains the branch lengths as estimated with RAxML and using the MP-EST topology for the diploid Helianthus species. (datadryad.org)
  • This file contains the population level tree with branch lengths estimated by RAxML with the fixed MP-EST topology for the diploid Helianthus species. (datadryad.org)
  • This is the zip folder containing the fasta files for 170 genes across 103 diploid Helianthus species. (datadryad.org)
  • Genetic Identification of Diploid and Tetraploid Wheat Species with RA" by RAMİZ TAGİ ALİYEV, MEHRAJ ALİ ABBASOV et al. (tubitak.gov.tr)
  • The genetic diversity of 10 diploid and tetraploid wheat species was estimated using random amplified polymorphic DNA (RAPD) markers. (tubitak.gov.tr)
  • Two species from diploid [Triticum boeticum (wild), Triticum monococcum] and five from tetraploid wheats [Triticum dicoccoides var. (tubitak.gov.tr)
  • Bread wheat is a hexaploid (2n=6x=42), derived as little as 30,000 years ago from a diploid species (2n=2x=14), Triticum tauschii and a tetraploid, durum wheat (2n=4x=28), Triticum turgidum , itself derived from two diploid species Triticum monococcum and a species similar to Aegilops speltoides. (tipseri.com)
  • Male production in haplodiploid species can be complex-in some situations, diploid males can be formed. (sare.org)
  • mountain species, diploids - species from forest montane belt) we speculate on the different and independent history of the sections in the Carpathians. (phytomorphology.com)
  • EN] Although polyploidy is considered a ubiquitous process in plants, the establishment of new polyploid species may be hindered by ecological competition with parental diploid taxa. (upv.es)
  • We analysed the spatial distribution and ecological requirements of the tetraploid Centaurea seridis and the diploid Centaurea aspera in east Spain on a large scale, and also microspatially in contact zones where both species hybridise and give rise to sterile triploid hybrids. (upv.es)
  • Brassica napus (genome constitution AACC) is a very suitable model system to analyze fixed heterosis and intergenomic dominance because artificial resynthesized lines can easily be developed from diploid parental species B. rapa (AA) and B. oleracea (CC). It is also possible to produce genotypes of the constitutions AAAC or ACCC. (uni-goettingen.de)
  • Two of them in the diploid parental species only segregating for loci in the A and C genome, respectively, and a third one developed from a corresponding allopolyploid which is segregating for loci in both genomes. (uni-goettingen.de)
  • We then present a model demonstrating that this stiking difference in the noise reduction strategies used amongst species can be explained by constraints on the evolution of negative autoregulation in diploids. (ucl.ac.uk)
  • These results reveal how both cell-intrinsic and cell-extrinsic factors influence C. albicans microevolution, and provide a quantitative picture of genome dynamics in this heterozygous diploid species. (elsevierpure.com)
  • 1. Species with high diploid numbers. (bvsalud.org)
  • The haploid plants that show up in interploid crosses and from crossing tetraploids with chimeras will show up as diploids. (louisianas.org)
  • The crossing experiment indicates that triploids produce functional gametes and can participate in mating with diploids and tetraploids. (tipseri.com)
  • While tetraploids grow more upright, diploid plant structure tends to lie down, which helps protect stands from animal impact and weed competition. (tipseri.com)
  • Because of their larger cells, the seed size of tetraploids is about twice that of diploids, so seeding rates (and costs) are higher. (tipseri.com)
  • The main difference between them is that tetraploids have four chromosomes per plant cell, while diploids have two. (tipseri.com)
  • Herds prefer tetraploids to diploids if given a choice and are more quickly and completely eaten by livestock. (tipseri.com)
  • The diploids and tetraploids were diverged by 6 mutations, while the intrasectional variability amounted maximally to 3 polymorphisms. (phytomorphology.com)
  • In disturbed locations with well-developed semi-fixed or fixed dunes, diploids and tetraploids could co-exist and hybridise. (upv.es)
  • In the diploid, there were 1 or 2 nucleoli in the cells, whereas the induced tetraploids contained 1, 2, 3, or 4. (springeropen.com)
  • The DNA content of tetraploids and diploids were 3.68 ± 0.009 pg/nucleus and 1.84 ± 0.019 pg/nucleus, respectively, according to flow cytometric analysis. (springeropen.com)
  • The DNA content and chromosome number of the tetraploids were twice that of the diploids. (springeropen.com)
  • Tetraploids can artificially produce triploid progeny after fertilization through normal diploids (Refstie 1981 ). (springeropen.com)
  • Hence, tetraploid breeding lines are beneficial to aquaculture because they provide a convenient approach to produce large numbers of sterile triploid fish through simple interploidy crosses between tetraploids and diploids (Chourrout et al. (springeropen.com)
  • 1986 ). Since the 1980s, the interploidy technique has also been considered an important method for reproductive containment of genetically modified fish through the generation of sterile triploid transgenics using tetraploids and diploids (Nam et al. (springeropen.com)
  • It was 93% and 1.96% in diploids and 85% and 1.96% in tetraploids. (journalcra.com)
  • Differentiation of Diploid and Triploid Taxa within Taraxacum sect. (springer.com)
  • This study aimed to explore if leaf shape can be used to differentiate diploids and triploids, to verify if triploid microspecies deserve separate taxonomic status, and if the diploid plants can be divided into phenotype groups. (springer.com)
  • The analysis of leaf-shape variability revealed no notable difference between diploid and triploid plants. (springer.com)
  • The triploid seeds are obtained by crossing a fertile tetraploid (4n) plant with a diploid (2n) plant. (tipseri.com)
  • When you buy seedless watermelon seeds, you get two kinds of seeds, one for the fertile diploid plant and one for the sterile triploid. (tipseri.com)
  • As we all know, triploid offspring of diploid x Tetraploid crosses are sterile due to abnormal disjunction of chromosomes during meiosis. (tipseri.com)
  • Triploid hybrids were closer to diploid allogamous mothers (C. aspera) than to tetraploid autogamous fathers (C. seridis). (upv.es)
  • On February 16, 1985, Wyeth Laboratories recalled Wyeth human diploid cell rabies vaccine (WYVACTM) from the market. (cdc.gov)
  • This resulted from two postlicensure studies of antibody responses after postexposure prophylaxis with human diploid cell rabies vaccine (HDCV) conducted by CDC over the last 6 months. (cdc.gov)
  • Heat-treated and cold alcohol-fractionated immunoglobulin is derived from pooled human plasma from individuals immunized with human diploid cell rabies vaccine. (medscape.com)
  • We used genome-wide SNPs generated for 154 diploid banana cultivars and 68 samples of the wild M. acuminata to estimate and geo-localize the contribution of the different subspecies of M. acuminata to cultivated banana. (frontiersin.org)
  • To understand the genome of the cultivated peanut, it is prerequisite to know the genome organization of its diploid progenitors, A-genome-Arachis duranensis and B-genome-A. ipaensis. (icrisat.org)
  • while (2) Diploid Progenitor Peanut Arachis Genome Sequencing Consortium (DPPAGSC) reported the sequencing of A-genome. (icrisat.org)
  • Diploid wheat, Triticum monococcum (genome Am), has been utilized previously for the introgression of stem rust resistance genes Sr21, Sr22, and Sr35. (umn.edu)
  • For the analysis of intergenomic dominance all possible crossings between the diploid and tetraploid homozygous parental lines and the resulting resynthesized rapeseed were performed for two different combinations of the A and C genome one B. rapa var oleifera and one B. oleracea var. (uni-goettingen.de)
  • Assessing structural variation in a personal genome-towards a human reference diploid genome. (bvsalud.org)
  • Individuals with intermediate ploidy levels were found neither in the diploid/tetraploid nor in the diploid/hexaploid contact zones indicating strong reproductive barriers. (datadryad.org)
  • The word diploid originates from a Greek word, which can be broken into two word "di" meaning two and "ploidy" means the chromosome set present within the cell. (researchtweet.com)
  • The other taxa - A. aristatum, A. ovatum, A. maderense and the 'Mediterranean diploid' - form a rather intermixed group based on the examined molecular data. (muni.cz)
  • Concatenation tree estimated from RAxML (106,862bp) across 103 accessions of diploid Helianthus. (datadryad.org)
  • Data -- Ecological differentiation, lack of hybrids involving diploids, and asymmetric gene flow between polyploids in narrow contact zones of Senecio carniolicus (syn. (datadryad.org)
  • I kept thinking that they might turn out to be triploids, but one that was brought in last winter in an effort to obtain a chromosome count resulted in good clear slide showing that this particular plant was diploid. (louisianas.org)
  • Joe reached this conclusion from the results of crossing with both diploid and tetraploid pollen as well as from the morphology of the plant, and I reached the same conclusion by measuring the long axis of the stomata guard cells and by making slides for a chromosome count. (louisianas.org)
  • thus, diploid means there are two set of similar chromosome, each coming from the parent cell. (researchtweet.com)
  • the chromosome number is "2n" in diploid and "n" in haploid. (researchtweet.com)
  • Haploid cell possess one chromosome set, whereas the diploid has two sets. (researchtweet.com)
  • There is just a single chromosome in E. coli, animals cannot change from haploid through diploid but plants ae capable to do so and is called as alternation of generation. (researchtweet.com)
  • It is said that there are high mutations probability in diploid than in haploid which is because of more chromosome, thus doubling it in diploids. (researchtweet.com)
  • Diploid males occur when there is inbreeding in a population,with the result that a chromosome from the mother and one from the father have the exact genetic information in a critical place. (sare.org)
  • The sameness cancels out the diploid state at that particular genetic location, or sex-determining locus , and the genetic instructions are only translated as if they came from a single, haploid chromosome. (sare.org)
  • The chromosome number of the induced tetraploid Korean rose bitterling was 4n = 96, while that of the diploid was 2n = 48. (springeropen.com)
  • In this work, we show that repeated stresses with UVB (290-320nm) induce stress-induced premature senescence (SIPS) of skin human diploid fibroblasts (HDFs). (unamur.be)
  • The present study reports the identification and structural and expression analysis of the AQPs found in the diploid progenitor genomes of A. hypogea i.e. (biomedcentral.com)
  • Mutations can be hold on to in haploids than in diploids, thus diploids are quite adapted when changes are occurring due to mutation, however, haploids are better adapted when changes are due to natural selection. (researchtweet.com)
  • These activities will help students understand the significance of haploid and diploid cells in determining the genetic makeup of an organism. (theedadvocate.org)
  • By reinforcing these concepts with activities, teachers can help students grasp the importance of haploid and diploid cells and their role in determining an organism's genetic makeup. (theedadvocate.org)
  • Human immunodeficiency virus (HIV)-1, like and 3) subsequent offspring carry genetic all retroviruses, is "diploid. (cdc.gov)
  • Human immunodeficiency virus (HIV) is a diploid virus: each virion carries two complete RNA genomic strands. (cdc.gov)
  • Candida albicans is a heterozygous diploid yeast that is a commensal of the human gastrointestinal tract and a prevalent opportunistic pathogen. (elsevierpure.com)
  • Human epithelial cell metabolic activation systems were developed for use in the diploid human fibroblast cell mutagenesis system. (cdc.gov)
  • One of my crosses, Professor Sigmund X chimera, as well as Joe Mertzweiller's TD 87-34, show that diploid plants can result when the parent plant is a tetraploid. (louisianas.org)
  • It is believed that such triploids arise from natural crosses between diploid and tetraploid plants in the same population. (tipseri.com)
  • As a biology teacher, it is crucial to inform students about the basic concepts of genetics, including the differences between haploid and diploid cells. (theedadvocate.org)
  • When teaching students about haploid and diploid cells, it is important to start by defining the terms. (theedadvocate.org)
  • Once students understand the basic concepts of haploid and diploid cells, it is important to reinforce these ideas with activities and worksheets. (theedadvocate.org)
  • In conclusion, teaching students about haploid and diploid cells is vital to their understanding of genetics and the life cycle of an organism. (theedadvocate.org)
  • Diploid cells further undergo mitosis and haploid cells are formed by meiosis. (researchtweet.com)
  • Example of diploid are somatic cell and that of haploid are sex cells. (researchtweet.com)
  • Eggs and sperm are haploid and skin cells are diploid. (researchtweet.com)
  • Although these mutations will affect those diploid cells which are surviving through difficulty, but diploids have better thriving rate than the haploid, thus if a haploid cell gets mutated it comes into action at that possible time and in diploid, they are effective when they are heterozygous. (researchtweet.com)
  • In such cases, the adaptive processes that result in the ecological divergence of diploids and polyploids can lead to their co-existence. (upv.es)
  • In contrast, non-adaptive processes can lead to the co-existence of diploids and polyploids or to differentiated distributions, particularly when the minority cytotype disadvantage effect comes into play. (upv.es)
  • Both parsimony, Bayesian and character network analyses showed the two distinct types of the cpDNA chloroplast, one typical of the diploid and the second of the tetraploid groups. (phytomorphology.com)
  • This year the blooms have been pollinated with both diploid and tetraploid pollen and both have produced pods. (louisianas.org)
  • Pollen viability and in-vitro germination in diploid and tetraploid Asparagus L. (journalcra.com)
  • In-vitro Pollen germination was good in sucrose media of concentration 10%-20% for diploid and 20%-30% for tetraploid. (journalcra.com)
  • Example of diploid cell are somatic cell. (researchtweet.com)
  • cell (a diploid has two sets), which simply means that tetraploid ryegrasses are more palatable to livestock. (tipseri.com)
  • These were imputed alongside published data to obtain diploid genotypes from more than 1,600 ancient humans. (lu.se)
  • Modelling past and present distributions shows that the 'Mediterranean diploid' has already been occurring in the same localities for 120 000 years. (muni.cz)
  • Background and Aims Knowledge of diploid phylogeny and ecogeography provide a foundation for understanding plant evolutionary history, diversification patterns and taxonomy. (muni.cz)
  • We found high levels of admixture in many cultivars and confirmed the existence of unknown wild ancestors with unequal contributions to cultivated diploid. (frontiersin.org)
  • Triploidy is occasionally seen in natural populations of flowering plants that contain diploid (2n) and tetraploid (4n) plants. (tipseri.com)
  • Inbreeding and resulting diploid male production might occur when there is severe disturbance in the environment such that only small, local populations of bees remain that must mate among relatives. (sare.org)
  • Our job is to be good stewards of our environment, which will allow bees to avoid the threat of inbreeding and production of diploid males on their own. (sare.org)
  • Example is during gamete formation, plants are haploid and during spore production, diploid. (researchtweet.com)
  • Bryophytes have a life-cycle dominated by the haploid generation, in strong contrast to other land plants which are dominated by the diploid generation. (lu.se)
  • Previous modelling of the haploid-to-diploid ratio (H:D) in biphasic life cycles relied on estimates of the stable population growth rate and structure. (ualg.pt)
  • and the other developed against 6 diploid needle samples, to aid population studies. (biorxiv.org)
  • This means the males are haploid, and the females are diploid-a condition called haplodiploidy (see sidebar). (sare.org)
  • In spite of it having a tetraploid as the pod parent both of us have come to the conclusion that the plant is a diploid. (louisianas.org)
  • If the parents are very similar it might never be noticed that the plant is really a chimera with sectors of diploid growth from each tetraploid parent. (louisianas.org)