To test the association between SNP and marbling, we used 99 JB
sires and 542 paternal half-sib JB progeny steers produced from a sire
homozygous for G allele at the NCBI_ss1388116468 SNP of the CDC10
gene. The details of the sires and progeny steers are described previously
(Yamada et al., 2009). For DNA preparation, semen, blood or adipose tissues
were obtained from these animals as described previously (Yamada
et al., 2009).