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211. Some abnormal division had been observed at microspore mother cell meiosis stage, e. g. chromosome pairing abnormally, aberrant dyad formation and asynchronous dyad division.

212. All autosomes and sex chromosomes are measured and analysed according to relative length, arm ratio and centromere index of each chromosome including all the microchromosomes.

213. Competition between two types of gametes generated by heterotic translocation plants caused abnormal transmission of translocation chromosome in the gametes.

214. Objective:To explore the relationship between Y chromosome microdeletion and non-idiopathic infertility in male cases with dyszoospermia.

215. Conclusion: Gene have different degree loses in abnormal chromosome karyogram, result in chromosomal gene linkage not equilibrium and and emergence clinical effect.

216. Phosphatase and tensin homolog deleted on chromosome 10 (PTEN), a tumor suppressor gene, is frequently deleted, mutated or lowly expressed in various skin tumors.

217. The works mainly comprise the body cells, cell fusion, nuclear transplantation, cell uptake and the reorganization of chromosome segment.

218. Progress of method of ploidy determination and technique of chromosome doubling in cucumber were summarized.

219. Episome is an additional genetic element that can exist either as an autonomous entity or be inserted into the continuity of the chromosome of a host cell.

220. OBJECTIVE: To systematically study the evolution and fine seeds selection through Bidens bipinnata chromosome number, karyotype and volume.

221. In part two, using interphase FISH , six centromeric probes for chromosome 8, 11, 12, 17, X and Y were performed to detect the numerical abnormalities.

222. The main meiotic chromosomal aberration of PMC are multipolar division, loose pairing, inversion, tetravalent, interlocking chromosome, unequal segregation, straggling chromosome, bridge and laggards.

223. Conclusions:The long Y chromosome may be related to some clinical effects such as infaust pregnancy, gonadal dysgenesis and sex reversal syndrome.

224. The interphase nuclei was observed to be the round prochromosome type , and the prophase chromosome type was the interstitial type .

225. In order to study the general law on meiosis of Periplaneta Brunnea. Air-dried method was used to observe the chromosome of spermatogonium in different stages.

226. Results: Out of the 72 cases of azoospermia[sentencedict.com], 13(18.1%) patients with the number and structural aberration of sex chromosome were detected.

227. Female mosaicism of the X chromosome has major implications for human health and disease and is the leading cause of female protection from X-linked genetic disorders.

228. Chromosome abnormality is an important factor involved in male infertility and gonadal hypoplasia.

229. Method Polymerase chain reaction and restriction fragment length polymorphism were used to examine 40 oral malignant tumors for loss of heterozygosity at chromosome 3p.

230. In the research of secale cereale , dividual chromosome cannot be distinguished by common morphological methods.

231. Nearly three decades ago, Szostak began to collaborate with Blackburn, looking at the tips of the chromosome of a single-celled, pond-dwelling organism called Tetrahymena.

232. Bioinformatics technique was used to analyze the chromosome mapping and tissue expression of HBVDNAPTP1BP gene, and the chemical-physical property and structural feature of HBVDNAPTP1BP.

233. Such split causes the chromosome pairs to be actually quadripartite.

234. Karyotype analysis of 3 species of genus Podocarpium and chromosome numbers of 2 species of genus Desmodium.

235. These cells often have a variable chromosome number ( aneuploid ).

236. Objective To explore the relationship between chromosome anomaly and spontaneous abortion,(www.Sentencedict.com) and to provide useful information for genetic counseling and prenatal diagnosis in reproductive clinic.

237. Objective To investigate the correlation between heteroploid of chromosome 8 and FAK expression in gastrointestinal stromal tumors(GIST) and to predict the prognosis about GIST.

238. With the increase of chromosome ploidy, the size of stomatal guard cells and the chloroplastid numbers were increased, accompanied by the decrement of stomatal density.

239. C - banding confirmed increase in the heterochromatin in one chromosome 9 and inversion in the other.

240. A poisonous, pale-yellow alkaloid, C22H 25NO 6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.