نتایج جستجو برای: and telocentric chromosomes the chromosome arm number wascalculated nf 130
تعداد نتایج: 21184597 فیلتر نتایج به سال:
BACKGROUND Aneuploid ermpglasm is an important resource for genetic studies and identification of individual chromosomes in the cells of the aneuploid is an important step. The karyotype has already been established for purple coneflower (Echinacea purpurea L.), but due to the high similarity in the morphology of several pairs of chromosomes in this species, it cannot be used to identify indivi...
it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...
background: translocations involving x chromosome and an autosome are rather rare due to associated infertility in men and subfertility in women. x chromosome translocations are frequently associated with primary or secondary amenorrhea. in this report, a case of primary amenorrhea with a de novo balanced reciprocal translocation was presented between chromosomes x and 1. case presentation: a 2...
Abstract Taxonomic and cytogenetic aspects of Proceratophrys have not been thoroughly clarified in the literature; thus, objective present study was to provide unprecedent karyotype data regarding P. schirchi, laticeps melanopogon. Additionally, boiei (2n = 22) its ZZ / ZW sex chromosome system analyzed for different populations southeastern southern Brazil. All species a diploid number 2n 22 c...
although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...
with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...
Comparison of the genetic map of maize chromosome 9 with maps of wheat chromosomes has revealed a high degree of colinearity between maize chromosome 9 and the group 4 and 7 chromosomes of wheat. The order of DNA markers on the short arm and a proximal region of the long arm of the genetic map of maize chromosome 9 is highly conserved with the marker order on the short arm and proximal region o...
In dojo loach (<i>Misgurnus anguillicaudatus</i>), although most wild types are gonochoristic diploids that genetically differentiated into 2 groups, A and B, clonal lineages appear in certain localities. Clonal loaches have been considered to hybrid origins between the groups by a series of genetic studies. this study, using FISH with newly developed probe (ManDra-A), we identified...
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