TYRO3 protein tyrosine kinase (TYRO3), microsomal glutathione S-transferase 1 (MGST1), kinesin family member 2A (KIF2A), and nucleoside-triphosphatase cancer-related (NTPCR) were identified as genes potentially related to IMF content in the pectoral muscle of the F2 resource population of Beijing You chicken and commercial fast Cobb Vantress [29]. The gene discussed is KIF2A; the disease is cancer.