Analysis of conditional genetic effects and variance components in developmental genetics. | Zendy

Jianguo Zhu | Zendy

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Analysis of conditional genetic effects and variance components in developmental genetics.

Author(s) -

Jianguo Zhu

Publication year - 1995

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/141.4.1633

Subject(s) - biology , conditional variance , genetics , variance components , statistics , genetic variation , genetic model , variance (accounting) , epistasis , evolutionary biology , mathematics , econometrics , gene , volatility (finance) , accounting , business , autoregressive conditional heteroskedasticity

A genetic model with additive-dominance effects and genotype x environment interactions is presented for quantitative traits with time-dependent measures. The genetic model for phenotypic means at time t conditional on phenotypic means measured at previous time (t-1) is defined. Statistical methods are proposed for analyzing conditional genetic effects and conditional genetic variance components. Conditional variances can be estimated by minimum norm quadratic unbiased estimation (MINQUE) method. An adjusted unbiased prediction (AUP) procedure is suggested for predicting conditional genetic effects. A worked example from cotton fruiting data is given for comparison of unconditional and conditional genetic variances and additive effects.

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