نتایج جستجو برای: cytogentic
تعداد نتایج: 15 فیلتر نتایج به سال:
Brief Summary The primary goal of the workshop was to address the question whether or not genetic or cytogenetic abnormalities can be induced in cells and animals in experiments exposing them to radio frequency radiation (RF), as used in today's modern wireless communication technologies, at intensities which do not cause a measurable increase in temperature. Published literature was critically...
OBJECTIVE(S) Primary and secondary amenorrhea are different from each other in that the former refers to a physiological failure in the onset of spontaneous menarche during the time when it is expected. whereas the latter involves the cessation of normal menstruation any time prior to menopause. In this study we aimed to investigate chromosomal abnormalities in patients with Primary Amenorrhea ...
background: the high fertilization failure after ivf treatment cycles could be related to chromosomal abnormalities. this study was carried out to assess the frequency of chromosomal abnormality on human oocytes lacking signs of fertilization 18-20 h after insemination . materials and methods: on day one, 18-20 h after insemination (ivf), fertilization was confirmed when two pronuclei (normal i...
Fluorescence in situ hybridization (FISH) is a technique that allows specific DNA sequences to be detected on metaphase or interphase chromosomes in cell nuclei(1). The technique uses DNA probes with unique sequences that hybridize to whole chromosomes or specific chromosomal regions, and serves as a powerful adjunct to classic cytogenetics. For instance, many earlier studies reported the frequ...
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