Linkage mapping in experimental crosses: the robustness of single-gene models.

Abstract:

:The robustness of parametric linkage mapping against model misspecification is considered in experimental breeding designs, with a focus on localization of the gene. By examining the expected LOD across the genome, it is shown that single-gene models are quite robust, even for polygenic traits. However, when the marker map is of low resolution, linked polygenes can give rise to an apparent "ghost" gene, mapped to an incorrect interval. The results apply equally well to quantitative traits or qualitative (categorical) traits. The results are derived for backcross populations, with a discussion of extensions to intercross populations and relative-pair mapping in humans.

journal_name

Genetics

journal_title

Genetics

authors

Wright FA,Kong A

subject

Has Abstract

pub_date

1997-05-01 00:00:00

pages

417-25

issue

1

eissn

0016-6731

issn

1943-2631

journal_volume

146

pub_type

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