Genotypes of DNA markers linked to the sex-determination loci on LG1 (A) and LG22 (B). “A” and “a” represent the alleles which come from father and mainly existed in males and females of the families, respectively. The shade indicates the recombination regions. The arrows indicate the potential positions of sex determination loci.
Liu et al. BMC Genomics 2013 14:58 doi:10.1186/1471-2164-14-58