نتایج جستجو برای: chromosomal arrangements

تعداد نتایج: 67801  

Journal: :Genetics 2009
Bradley J White Changde Cheng Djibril Sangaré Neil F Lobo Frank H Collins Nora J Besansky

In the malaria mosquito Anopheles gambiae polymorphic chromosomal inversions may play an important role in adaptation to environmental variation. Recently, we used microarray-based divergence mapping combined with targeted resequencing to map nucleotide differentiation between alternative arrangements of the 2La inversion. Here, we applied the same technique to four different polymorphic invers...

Journal: :The American journal of tropical medicine and hygiene 2009
Belinda L Spillings Basil D Brooke Lizette L Koekemoer John Chiphwanya Maureen Coetzee Richard H Hunt

The major malaria vector Anopheles funestus belongs to a group of morphologically similar species that are commonly distinguished from one another through the use of chromosomal and molecular techniques. Indoor resting collections of mosquitoes from Malawi were initially identified as An. funestus by morphology, but failed to have this confirmed by the species-specific polymerase chain reaction...

Journal: :iranian journal of pathology 2006
iran rashidi javad mohammadi asl

objective: approximately 15-20% of clinically recognizable pregnancies end in spontaneous abortion. the incidence of chromosomal abnormalities in those abortions is as high as 50%.a modest but clinically important proportion of spontaneous abortions is caused by a balanced chromosomal aberration in one of the parents. this results from the production of gametes and embryos with unbalanced chrom...

Journal: :iranian journal of pathology 2013
akbar safaei mohamad reza farzaneh sadat noori

background and objective: failure to thrive (ftt) is a sign that describes a particular problem rather than a diagnosis and explain growth failure or more advanced failure to gain weight appropriately. the aim of this study was to determine the prevalence and type of chromosomal abnormalities in patients presented with ftt. materials and method: one hundred ftt cases with clinical impression o...

Journal: :مجله دانشگاه علوم پزشکی شهرکرد 0
داریوش فاتحی daryoush fatehi

due to importance of combination therapies in cancer treatment, this study was performed to find the effects of hyperthermia and neutron irradiation and heir combination on the human lymphocytes. blood samples were treated separately with 41.5 °c for 30 and 60 minutes, 43 °c for 15 and 30 minutes, as well as 10 cgy neutron irradiation. they also treated with hyperthermia followed by irradiation...

A AMINI, MH . BADAKHSH, SH DADGAR, SR DADGAR,

Early identification of fetuses with chromosomal abnormalities enables health care providers to form an appropriate management plan for each patient. The main objective of this study was to determine the role of ultrasonography in screening and identifying fetuses at risk for chromosomal abnormalities. A retrospective review of 6480 patients from the Obstetrics and Gynecology ward of Firou...

Background This paper presents findings from a study which sought to understand why health workers working under the results-based financing (RBF) arrangements in Zimbabwe reported being satisfied with the improvements in working conditions and compensation, but paradoxically reported lower motivation levels compared to those not working under RBF arrangements.   Methods...

One of the major causes of spontaneous abortion before the fourth month of pregnancy is chromosomal abnormalities. We report an unusual case of a familial balanced chromosomal translocation in a consanguineous couple who experienced 4 spontaneous abortions. Chromosomal studies were performed on the basis of G-banding technique at high resolution and revealed 46, XX, t (16 6) (p12 q26) and 46, X...

Background: Chromosomal aberrations can be one of the causes of fertility problems, including infertility or frequent abortions. Identification of chromosomal aberrations by clinical diagnostic techniques has been primarily performed through standard karyotyping. In this screening, the prevalence of these disorders were checking in individuals with fertility problems from west population of Ira...

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