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回归法QTL作图效率的分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2001年04期
Page:
12-16
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Effects Analysis Using Regression Method for Mapping QTL
Article ID:
1000-2006(2001)04-0012-05
Author(s):
TONG Chun faSHI Ji sen
Laboratory of Forest Genetics and Gene Engineering Nanjing Forestry University,Nanjing 210037,China
Keywords:
RegressionMapping QTLRandom simulation
Classification number :
Q348
DOI:
10.3969/j.jssn.1000-2006.2001.04.003
Document Code:
A
Abstract:
Through random simulation,the population size,the heritability of quantitative trait and the length of marker interval are investigated in analyzing the effects when using regression method for mapping QTL. The following results are obtained: (1) When the heritability is fixed, the accuracy of locating QTL increases as the population size increases. And when the population size is fixed, the accuracy of locating QTL increases as the heritability increases. (2) Whether the population size and the heritability are large or small, the mean of population and the additive and dominance effects can be estimated precisely by using regression method. (3) When the population size and the heritability are fixed, the significant test F decreases as the length of marker interval increases.

References

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Last Update: 1900-01-01