نتایج جستجو برای: signatures of selection
تعداد نتایج: 21196251 فیلتر نتایج به سال:
چکیده در این پژوهش، رابطه بین سبک های مقابله ای با جرأت ورزی و پرخاشگری در دانشجویان دانشگاه بین المللی امام خمینی (ره) بررسی شد. نمونه مورد بررسی، شامل 200 نفر (121 زن و 79 مرد) از دانشجویان دانشگاه مورد نظر در دو جنس است که از طریق روش نمونه گیری خوشه ای تصادفی، انتخاب و به پرسشنامه های الگوهای پاسخ دهی بین فردی تونند و پرسشنامه سبک های مقابله ای اندلر و پارکر پاسخ دادند. همچنین از روش های ...
Detection of Selection Signatures on the X Chromosome in Iranian Dromedary Camels using Whole Genome Sequencing Data
Immune-related genes are often characterized by adaptive protein evolution. Selection on immune genes can be particularly strong when hosts encounter novel parasites, for instance, after the colonization of a new habitat or upon the exploitation of vacant ecological niches in an adaptive radiation. We examined a set of new candidate immune genes in East African cichlid fishes. More specifically...
Different signatures of natural selection persist over varying time scales in our genome, revealing possible episodes of adaptative evolution during human history. Here, we identify genes showing signatures of ancestral positive selection in the human lineage and investigate whether some of those genes have been evolving adaptatively in extant human populations. Specifically, we compared more t...
Selective breeding of dogs has resulted in repeated artificial selection on breed-specific morphological phenotypes. A number of quantitative trait loci associated with these phenotypes have been identified in genetic mapping studies. We analysed the population genomic signatures observed around the causal mutations for 12 of these loci in 25 dog breeds, for which we genotyped 25 individuals in...
Human driven selection during domestication and subsequent breed formation has likely left detectable signatures within the genome of modern cattle. The elucidation of these signatures of selection is of interest from the perspective of evolutionary biology, and for identifying domestication-related genes that ultimately may help to further genetically improve this economically important animal...
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