• In about 95% of DS cases, the anomaly occurs because of an extra total chromosome 21 in all cells. (bvsalud.org)
  • The genome is 31.4Mb in size and comprises 14 chromosomes, the mitochondrial genome, the apicoplast genome, and 29 unplaced contigs. (cdc.gov)
  • In Australian zebra finches ( Taeniopygia guttata ), two polymorphic inversions are known cytogenetically and we set out to detect these two and potentially additional inversions using genomic tools and study their effects on embryo mortality and other fitness-related and morphological traits. (biomedcentral.com)
  • Yet, we find strong additive effects on several morphological traits. (biomedcentral.com)
  • The fish species Synbranchus marmoratus has been reported to exist as a species complex due to high intraspecific karyotypic variability in spite of the difficulty or impossibility to distinguish them using morphological traits alone. (scielo.br)
  • A total of 93 BAC clones were used to localize the chromosome complement of the species and 588 genes were annotated, thus almost reaching the 2.5% of the genome sequences. (metasystems-international.com)
  • As a result, important data about its genome organization and evolution were obtained, such as the lesser gene density of the large metacentric pair compared with the other metacentric chromosomes, which supports the theory of a sex proto-chromosome pair. (metasystems-international.com)
  • The chromosomes consist of 98.4% nucleotide sites that are identical to the P. malariae genome, the closest evolutionarily related species hypothesized to be the same species as P. brasilianum, with 41,125 non-synonymous SNPs (0.0722% of genome) identified between the two genomes. (cdc.gov)
  • Molecular studies involving techniques such as chromosome painting, DNA fingerprinting and DNA sequencing, can potentially complement the archaeological record by suggesting where species which were spread through the Pacific by man originated and by what routes they attained their present distributions. (hawaii.edu)
  • The highly skewed distribution of recombination events towards the chromosome ends in zebra finches and other estrildid species may function to minimize crossovers in the inverted regions. (biomedcentral.com)
  • In this group of vertebrates, several new species have been described based on chromosomal characterization, since the importance of cytogenetic data is not only restricted to identifying the diploid number, morphology, structure and organization of sequences on chromosomes. (fapesp.br)
  • In addition, chromosomes with a high number of linked genes that are conserved, even in distant species, were detected. (metasystems-international.com)
  • This kind of result widens the knowledge of this species' chromosome dynamics and evolution. (metasystems-international.com)
  • The cytotype and species distributions in Callisia are complex, and these results provide hypotheses, to be tested with morphological and molecular data, about the origins of the polyploid cytotypes. (pensoft.net)
  • Accurate detection of each species is complicated by their morphological similarities with other Plasmodium species. (cdc.gov)
  • Senior Scientist (Section Head, Genetic Toxicology, Microbiology and Molecular Biology Division) Manage a fully GLP compliant genetic toxicology laboratory capable of conducting the complete genetic toxicology test battery (Ames assay, Mouse Lymphoma assay, Structural Chromosome Aberration assay and the in vivo Rodent Micronucleus assay) in addition to several GLP compliant cytotoxicity assays and numerous non-GLP genetic toxicology screening assays. (med-abstracts.com)
  • Finally, the integration of both molecular cytogenetic and phylogenetic approaches allowed the determination of specific chromosomes possibly involved in rearrangements and a better understanding about the evolutionary processes involved in the differentiation of Synbranchus genus. (scielo.br)
  • Constructed a fully GLP compliant cytogenetics laboratory capable of conducting in vitro chromosome aberration studies in CHO cells and Human lymphocytes, and in vitro micronucleus assays. (med-abstracts.com)
  • Study designs included development of SV40 viral assays for assessment of chromosome damage. (med-abstracts.com)
  • His books Thoughts on the Imitation of Greek Works in Painting and Sculpture and Geschichte der Kunst des Alterthums "History of Ancient Art", were the first to distinguish sharply between Ancient Greek and Roman art, and define periods within Greek art, tracing a trajectory script no recoil fortnite growth to maturity and then imitation or decadence that continues to have influence to the present day. (myselfie.co.za)
  • However, Woodall found that there is little correlation between the fiber content of a ruminant's diet and morphological characteristics, meaning that the categorical divisions of ruminants by Hofmann and Stewart warrant further research. (wikipedia.org)
  • Klinefelter syndrome, which is characterized by the presence of two X chromosomes and one Y chromosome, can affect the development of the reproductive organs and some male secondary sexual characteristics (body hair, tone of voice, muscle development). (dexeus.com)
  • Down's syndrome (DS) or trisomy 21 is a chromosomal disorder resulting from the presence of an extra chromosome 21, in all cells or part of them. (bvsalud.org)
  • In Akodon cursor, the frequencies of chromosome rearrangements along their geographical distribution in Atlantic Forest have provided information about their dispersal pattern and population differentiation. (fapesp.br)
  • Also, the analyses indicate that chromosomal rearrangements occurred independently within the distinct lineages of S . marmoratus complex, which resulted in the appearance of distinct karyotypic variants in a non-linear fashion related to diploid numbers and in the appearance of similar non-homologous chromosomes. (scielo.br)
  • Inversions are intrachromosomal structural mutations which result in the reversal of gene order (and no change in the genic content of a chromosome) [ 4 ]. (biomedcentral.com)
  • Hofmann and Stewart divided ruminants into three major categories based on their feed type and feeding habits: concentrate selectors, intermediate types, and grass/roughage eaters, with the assumption that feeding habits in ruminants cause morphological differences in their digestive systems, including salivary glands, rumen size, and rumen papillae. (wikipedia.org)
  • CellCelector Robotic System service: The ALS CellCelector is a freely configurable tool for the automated picking of single cells, cell colonies and cell clusters utilizing morphological and fluorescence features of a target. (weizmann.ac.il)
  • It was observed that the transplanted cells survived and the R6/2 mice displayed significant behavioral and morphological sparing compared to untreated R6/2 mice, with R6/2 mice receiving high passage BM MSCs displaying fewer deficits than those receiving low-passage BM MSCs. (biomedcentral.com)
  • This analysis is called seminogram and allows to determine if the amount of sperm cells is adequate or very low (less than 15 million sperm per millilitre of semen or a total sperm count less than 39 million per ejaculation), and if there are mobility problems or morphological alterations. (dexeus.com)
  • In 2% of cases of DS, mosaicism is observed, meaning the anomaly is located in only some cells of the body, while others have normal chromosomes. (bvsalud.org)
  • Utilizing chromosome counts and flow cytometric analysis, cytotype distribution maps were generated. (pensoft.net)
  • In particular, a distinction between those inversions which cover both chromosome arms and thus include the centromere (pericentric inversions) and those which are restricted to a single chromosome arm (paracentric inversions) has often been made [ 9 ]. (biomedcentral.com)
  • New Zealand would tend down in download Theoretical as the awesome theory to replace a major painting. (music-of-benares.com)
  • Ogawa A, Murata K, Mizuno S (1998) The location of Z- and W-linked marker genes and sequence on the homomorphic sex chromosomes of the ostrich and the emu. (genomia.cz)
  • Genes, DNA methylation profiles, and most of the repeats were uniformly distributed within the centromere, and their densities in CEN6 and chromosome arms were similar. (nih.gov)
  • Research has established the broad mammalian developmental plan that genes on the sex chromosomes influence gonad development which determines gonadal hormone production (or its absence) leading to modification of the genitalia and simultaneously biasing the nervous system to organize adult sexual behavior. (hawaii.edu)
  • These now-classic papers, along with many others, established the broad developmental plan that, at least for mammals, the following pathway occurs: genes on the sex chromosomes influence gonad development which determines gonadal hormone production (or its absence) leading to modification of the internal and external genitalia and simultaneously biasing the nervous system to organize adult sexual behavior (see e.g. (hawaii.edu)
  • The combination of a rapid radiation, a deep divergence and an extensive morphological diversification has resulted in a limited phylogenetic signal confounding resolution within this clade both at the morphological and nucleotide levels. (usgs.gov)
  • It offers automated scanning and analysis of digital images of chromosomes and FISH probes, which can help to identify chromosomal abnormalities and genetic disorders. (dssimage.com)
  • Comparative chromosome painting analyses revealed that the three karyotypes are essentially structurally identical, differing only in the presence of a largely heterochromatic chromosome ( Het ) in the triploid and tetraploid cytotypes. (jse.ac.cn)
  • Locus-specific FISH analyses confirmed all deletions and the pericentric inversion of chromosome 2. (biomedcentral.com)
  • Nishida-Umehara C, Fujiwara A, Ogawa A, Mizuno S, Abe S, Yoshida MC (1999) Differentiation of Z and W chromosomes revealed by replication banding and FISH mapping of sex-chromosome-linked DNA markers in the cassowary (Aves, Ratitae). (genomia.cz)
  • Shetty S, Griffin DK, Graves JAM (1999) Comparative painting reveals strong chromosome homology over 80 million years of bird evolution. (genomia.cz)
  • A technique that localizes specific nucleic acid sequences within intact chromosomes, eukaryotic cells, or bacterial cells through the use of specific nucleic acid-labeled probes. (lookformedical.com)
  • Such crops generally lack morphological markers of domestication, so exploitation, cultivation and domestication cannot easily be distinguished in the archaeological record. (hawaii.edu)
  • A second milestone can be considered the findings, in 1956 by Tjio and Levan , that the typical human chromosomal complement contained 46 chromosomes: 44 autosomes and the sex chromosomes, XX for females and XY for males. (hawaii.edu)
  • Hofmann and Stewart divided ruminants into three major categories based on their feed type and feeding habits: concentrate selectors, intermediate types, and grass/roughage eaters, with the assumption that feeding habits in ruminants cause morphological differences in their digestive systems, including salivary glands, rumen size, and rumen papillae. (wikipedia.org)
  • Use the Meguiars G Dual Action Polisher for light defect removal and a rotary buffer for heavier paint correction. (edu.gr)
  • Morphological variation in mature plants is limited to increased plant height and branch density during the summer season. (ru.ac.za)
  • In combination with recent findings, our results suggest strong morphological stability and an ancient origin of the modern tuatara morphotype. (nature.com)
  • We describe the design of this experiment and report findings on survival rate, morphological variations, pupation time, and wingspan of adults across a range of biologically relevant temperatures. (preprints.org)
  • The morphological examination was normal whereas immunophenotyping by flowcytometry could not exclude myelodysplasia. (biomedcentral.com)
  • In 2% of cases of DS, mosaicism is observed, meaning the anomaly is located in only some cells of the body, while others have normal chromosomes. (bvsalud.org)
  • In starting the Oxford Genetic Atlas Project soon after the millennium, he and his colleagues began to also collect male (or Y-chromosome) lineage information. (chicagoboyz.net)
  • Until relatively recently, most comprehensive studies have relied purely on morphological data. (biomedcentral.com)
  • However, we did not show an effect on stable chromosome rearrangements. (bvsalud.org)
  • GenASIs HiSKY performs Hyperspectral Karyotyping analysis, leveraging the benefits of multiplexed spectral imaging to obtain a karyotype which uniquely colors each chromosome and provides a level of detailed analysis not available with any other karyotyping technique. (dssimage.com)
  • Here, we report on the assembly and analysis of a 177.6 Mb region of pea (Pisum sativum) chromosome 6, including the 81.6 Mb centromere region (CEN6) and adjacent chromosome arms. (nih.gov)
  • Cytogenetic analysis by G-banding revealed a pericentric inversion of chromosome 2 in 23 out of 25 analyzed metaphases. (biomedcentral.com)
  • de Boer LEM (1980) Do the chromosomes of the kiwi provide evidence for a monophyletic origin of the ratites? (genomia.cz)
  • We've since had to wait over a decade to get a more comprehensive look at the Y-chromosome haplogroups of medieval Hungarians. (blogspot.com)
  • In this study, we compared chromosome damage in city policemen from three cities in the Czech Republic: industrial Ostrava characterized by high levels of benzo[a]pyrene, Prague with heavy traffic emitting nitrogen oxides, and relatively clean Ceske Budejovice located in an area with predominantly agricultural activity. (bvsalud.org)
  • Interestingly, all three cytotypes of Phoenicaulis proved to be apomictic, regardless of the presence or absence of a Het chromosome, and sexual populations have yet to be identified. (jse.ac.cn)
  • The number of breakpoints in the heterochromatin region 1p11-q12 was lower than in other parts of chromosome 1 (p (bvsalud.org)
  • The european visions small cinemas of searches and patients describes to a many Sky painted by cellular application. (oldandelegant.com)