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variance in Biological Dictionary

Phenotypic variance

... ... The denominator is the phenotypic variance . ... ... p. (See pages 671 - 672) Phenotypic Mean and variance of a Population What is ... the proportion of the total phenotypic variance in a population that is due ... Additive ...

Genetic variance

... of genetic ... Estimates of genetic variance components within populations have indicated that ... have argued recently that much genetic variance in populations is due to such ... Any ... ... The first subcategory, additive genetic variance , refers to the deviation from ... lead to ...

Environmental variance

... ... the environmental variance with no bias. ... cision of the estimated environmental variance was a ... mator of environmental variance for a large range of dis ... Genetic ...

Representativeness

... Representativeness must be measured in a different way – it includes more ... The representativeness equation is maximized when the mean and variance of ... Representativeness is a central explanatory construct in ... of one sense of representativeness – what it means to be ... tion ...

Recombination frequency

... frequency is ... For backcross model, estimated recombination frequency is distributed as a binomial variable. ... Estimated variance of recombination frequency may be lower ... An electronic protocol book with 500 protocols and 100 recipes. A great quick and practical ...

Quantitative trait

... genetic research ... Molecular analysis of quantitative traits now provides new tools, not only as ... Quantitative Traits Statistics. variance Components. Heritability. Estimating ... Each trait is controlled by a number of genes and is a quantitative trait . ... quantitative ...

Phase variation

... light source having an area such as a ... We notice that the mean phase variation can be observed as a spectral shift f0 ... Estimating of the variance of the dynamic phase variation ... ... at many frequencies, so its phase with respect to the main ... Random phase variation . due to ...

LOD score

... score mean? ... Lod score . Lodestone. lodhra. Lodine. lodoxamide. lodoxamide tromethamine ... The LOD scores obtained from single-marker variance component linkage analysis ... Figure 2 shows the LOD score of one trait versus that of another trait (for six ... A robust LOD score ...

Heritability

... philosophy, sociology, and anthropology. Heritability is a measure of the relative contribution of genes to the ... The fraction of variance which does so is, roughly speaking, the " heritability " of the trait. ... Conventionally, the symbol for heritability is h2 (not h) ... Degrees ...
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(Date:4/18/2014)... NC Seeds that sprout as soon as they,re planted ... need to be more careful. In the wild, a plant ... day would risk disaster. More than just an insurance policy ... that seed dormancy has long-term advantages too: Plants whose ... rise to more species, finds in a team of researchers ...
(Date:4/17/2014)... densely forested and most densely populated quadrant of the ... values and practices. Disturbances associated with those needs, such ... have set the stage for management issues of considerable ... The report Five anthropogenic factors that will radically ... United States was published recently by the ...
(Date:4/17/2014)... chili peppers. Information about archaeological remains of ancient chili ... appearance of words for chili peppers in ancient dialects ... highlight the value of multi-proxy data analysis. Their results ... papers presented in a special feature issue of the ... on plant and animal domestication edited by Dolores Piperno, ...
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(Date:4/17/2014)... of the most popular vaccine brands for children may ... be overlooking some cost factors when choosing vaccines, driving ... option, according to a new study by University of ... can be driven by numerous factors," says Sheldon H. ... of computer science and of mathematics at the U. ...
(Date:4/17/2014)... 17, 2014) Two recent papers by a ... colleagues may help scientists develop treatments or vaccines ... Japanese encephalitis and other disease-causing flaviviruses. , Jeffrey ... molecular genetics at the School of Medicine and ... Medical Institute, and colleagues recently published articles in ...
(Date:4/17/2014)... April 17, 2014U.S. military personnel who served in ... concussive traumatic brain injury (TBI) were compared to ... other medical reasons. Differences in measures of overall ... months after injury are reported in an article ... journal from Mary Ann Liebert, Inc., publishers. The ...
(Date:4/17/2014)... about one in five infants in the United States ... first several months after birth. Research into probiotic use ... the April 1, 2014 issue of the British ... study, "Probiotics and Infant Colic," concluding that the use ... colic did not reduce crying or fussing in ...
(Date:4/17/2014)... Calif.) An international team led by researchers at ... complex, which plays a key role in cell division, ... This is the first time the complex has been ... make cyclin B1/Cdk1 an excellent target to control cellular ... The research was published online today in the journal ...
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