منابع مشابه
Formal Genetics of Humans: Multifactorial Inheritance and Common Diseases
8.1.1 Variation in Phenotypic Traits ................................. 264 8.1.2 Familial Resemblance and Heritability ................... 264 8.1.3 The Special Case of Twins ...................................... 267 8.1.4 Embedding a Single Measured Gene Infl uencing a Continuous Trait ................................ 269 8.1.5 A Model for Variance Partitioning .......................... 269 ...
متن کاملCommon variable immunodeficiency (hypogammaglobulinemia) with an autosomal recessive pattern of inheritance.
A 5 year-old boy presented with recurrent arthritis associated with fever first at 2 years and later at 3 and 5 years of age. He had an affected (hypogammaglobulinemic) elder sister with severe recurrent infections. His younger male sibling is normal. The parents are consanguineous but unaffected. His immunologic parameters indicated panhypogammaglobulinemia, normal absolute Iymphocyte counts b...
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Toxoplasma gondii is a globally distributed protozoan parasite that can infect virtually all warm-blooded animals and humans. Despite the existence of a sexual phase in the life cycle, T. gondii has an unusual population structure dominated by three clonal lineages that predominate in North America and Europe, (Types I, II, and III). These lineages were founded by common ancestors approximately...
متن کاملSoybean rust resistance sources and inheritance in the common bean (Phaseolus vulgaris L.).
Soybean rust (SBR), caused by the fungus Phakopsora pachyrhizi, has been reported in common bean (Phaseolus vulgaris L.) cultivars and elite lines that were infected under controlled and natural field conditions in South Africa, the United States, Argentina, and Brazil. Although SBR is currently not a top priority problem for the common bean crop, many bean breeders are concerned about this dis...
متن کاملFamilial clustering of impaired spermatogenesis: no evidence for a common genetic inheritance pattern.
BACKGROUND The aetiology of impaired spermatogenesis is unknown in the majority of cases. Evidence of a contribution of genetic factors is still scarce. Therefore, the aim of our study was to assess whether male factor subfertility due to impaired spermatogenesis has a familial component and to test different genetic models of inheritance. METHODS Cases were all men with severe idiopathic imp...
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ژورنال
عنوان ژورنال: Nature
سال: 1993
ISSN: 0028-0836,1476-4687
DOI: 10.1038/365688a0