نتایج جستجو برای: ring chromosome 14
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a cytogenetical study on 13 alfalfa (medicago sativa) cultivars available in iranian forest and rangelands genebank was performed in order to obtain basic information on the variability in chiasma frequency/distribution, chromosome association and segregation. such cytogenetic information is useful for planning hybridization programs. cluster analysis of meiotic data and ordination of cultivars...
In order to investigation of chromosomal variation in various populations of Aegilops cylindrica from northwest of Iran, the karyotype of each populations was prepared using aceto-iron-hematoxilin staining and different chromosomal characteristics were measured. The results showed that the karyotype of these populations consisted of seven pairs of metacentric, three pairs of submetacentric and ...
Maternal uniparental disomy of chromosome 14 (upd(14)mat) is responsible for a Prader-Willi-like syndrome with precocious puberty. Although upd(14) is often hypothesized to result from trisomy rescue mechanism, T14 cell lines are usually not found with postnatal cytogenetic investigations. We report the coexistence of both chromosomal abnormalities in a 15-year-old girl.
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