Genetic linkage map of a wild genome: genomic structure, recombination and sexual dimorphism in bighorn sheep.

ABSTRACT:

Background

The construction of genetic linkage maps in free-living populations is a promising tool for the study of evolution. However, such maps are rare because it is difficult to develop both wild pedigrees and corresponding sets of molecular markers that are sufficiently large. We took advantage of two long-term field studies of pedigreed individuals and genomic resources originally developed for domestic sheep (Ovis aries) to construct a linkage map for bighorn sheep, Ovis canadensis. We then assessed variability in genomic structure and recombination rates between bighorn sheep populations and sheep species.

Results

Bighorn sheep population-specific maps differed slightly in contiguity but were otherwise very similar in terms of genomic structure and recombination rate

SUBMITTER: Poissant J 

PROVIDER: S-EPMC3091677 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature