Article
Overdominant lethals as part of the conifer embryo lethal system.
Heredity - 1 Dec 2003
Williams C G, Auckland L D, Reynolds M M, Leach K A
Abstract excerpt
In pines, self-pollination rates can be as high as 34% yet only 5% of viable seed is a product of self-fertilization. This decline in selfed seed viability is the consequence of post-fertilization exclusion mechanisms operating via the embryo lethal system. Recent molecular marker dissection studies suggest that the embryo lethal system is composed of semilethal factors dispersed across the genome, but it is not...
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