نتایج جستجو برای: genetic and environmental variations
تعداد نتایج: 16951665 فیلتر نتایج به سال:
Genetic variations are the genetic differences found among individuals of the same species. These variations are adaptive i.e. they ensure flexibility and survival of a population in the changing environment over time. It is quite interesting to know how and when these genetic variations offer to a population the survival benefit under the altered situations and at what extent over time. Whethe...
To delineate the contributions of genetic and environmental factors in the regulation of human prolactin (PRL) secretion, the 24-h profile of plasma PRL was obtained at 15-min intervals in 10 pairs of monozygotic and 10 pairs of dizygotic twins. Sleep was monitored polygraphically. PRL secretory rates were derived from plasma concentrations by deconvolution. Diurnal (24-h) variations were quant...
one of the most important and elusive diseases of grapevine is esca disease. esca is a complex disease that comprises a combination of symptoms caused by various fungi including growth retardation, decrease in productivity and decline of the plant and usually affecting adult plants (8 to 10 years and older). the purpose of this research was to study the genetic variations of fungal agents assoc...
Psychiatric disorders are important health issues in the world, and their management is facing some serious challenges. Drugs that are widely used in the treatment of psychiatric disorders, including antidepressants, antipsychotics, and mood stabilizers, are often associated with many side effects and are adequately effective only in a small proportion of patients. Many factors, including genet...
the genetic polymorphism of insulin-like growth factor binding protein ( igfbp-3 ) and its association with the growth traits namely condition factor, body weight, and total length were investigated in common carp cyprinus carpio using pcr- single strand conformation polymorphism (sscp) technique. caudal fin clips from 120 c. carpio , aging 5 months, were used in this study and a 330 bp dna fra...
Objective(s): Granular and lattice corneal dystrophies (GCDs & LCDs) are autosomal dominant inherited disorders of the cornea. Due to genetic heterogeneity and large genes, unraveling the mutation is challenging.Materials and Methods: Patients underwent comprehensive clinical examination, and targeted next-generation sequencing (NGS) was...
objective: estimation of genetic parameters for kleiber ratio (kr) and genetic trends for pre-weaning weights of arabi sheep has not been previously conducted.methods: data and pedigree information were collected at the khuzestan ramin agricultural and natural resources university, animal science research station, located in southwest iran, from 2001 to 2008. (co)variance components and corresp...
with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...
Aloe barbadensis is perennial, monocotyledonous, fleshy plant belongs to Aloaceae family. In this study, somoclonal variations of regenerated A. barbadensis plants were investigated. The plantlets of forth subculture transferred to the soil for further study. The genomic DNAs of 40 regenerated plantlets were extracted and genetic variations were studied using SPAR markers including RAPD and ISS...
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