Abstract:Inbreeding depression refers to the reduced fitness of offspring produced by related individuals and is expected to be rare in large outbred populations. When it occurs, marked fitness loss is possible as large populations can carry large loads of recessive harmful mutations which are normally sheltered at the heterozygous state. Using experimental cross data and genome-wide identity-by-descent (IBD) relationships from an outbred marine nine-spined stickleback (Pungitius pungitius) population, we documented a … Show more
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