Genetic architecture of individual meiotic crossover rate and distribution in Atlantic Salmon.

ABSTRACT: Meiotic recombination through chromosomal crossovers ensures proper segregation of homologous chromosomes during meiosis, while also breaking down linkage disequilibrium and shuffling alleles at loci located on the same chromosome. Rates of recombination can vary between species, but also between and within individuals, sex and chromosomes within species. Indeed, the Atlantic salmon genome is known to have clear sex differences in recombination with female biased heterochiasmy and markedly different landscapes of crossovers between males and females. In male meiosis, crossovers occur strictly in the telomeric regions, whereas in female meiosis crossovers tend to occur closer to the centromeres. However, little is known about the genetic control of these patterns and how this differs at the

SUBMITTER: Brekke C 

PROVIDER: S-EPMC10665409 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature