منابع مشابه
Patterns of inheritance
In diploid organisms each body cell (or 'somatic cell') contains two copies of the genome. So each somatic cell contains two copies of each chromosome, and two copies of each gene. The exceptions to this rule are the sex chromosomes that determine sex in a given species. For example, in the XY system that is found in most mammals including human beings males have one X chromosome and one Y chro...
متن کاملPatterns of Inheritance
Heritable Variation Heredity is the transmission of traits from one generation to the next. Gregor Mendel worked in the 1860s Was the first person to analyze patterns of inheritance Deduced the fundamental principles of genetics Mendel studied garden peas because they are easy to grow Come in many readily distinguishable varieties Are easily manipulated Can self-fertilize A character is a herit...
متن کاملStudy of Patterns of Inheritance in Affected Patients with Retinitis Pigmentosa in Iranian Populations
Background and Aims: Retinitis pigmentosa (RP) is the most common form of inherited retinal degeneration, photoreceptors loss of which in the retina causes visual loss. The purpose of the present study was to determine patterns of inheritance in RP patients in Yazd to help the health professional for designing suitable laboratory testing for the high risk families. Materials and Methods: Thirt...
متن کاملpatterns of inheritance of essential hypertension in hundred iranian families
background: essential hypertension tends to a familial mode. its pattern of inheritance is heterogeneous, but the frequencies of different mode of inheritance vary in different populations. determining of the mode of inheritance in each family is the basic information that is needed for the risk estimation in those family members. determination of pattern of inheritance in families with at leas...
متن کاملPatterns of inheritance in familial ALS.
We investigated 185 families with ALS for evidence of anticipation and mitochondrial inheritance. Although initial analysis demonstrated significant anticipation of age at death between generations in patients with familial ALS, further analysis demonstrated features of regression to the mean, suggesting that the perceived differences are the result of bias. In addition, there was no evidence o...
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ژورنال
عنوان ژورنال: American Zoologist
سال: 1986
ISSN: 0003-1569
DOI: 10.1093/icb/26.3.797