Analysis of coat color genes indicated that the hair color of first generation hybrid was cassia bark as the same as hybrid between BALB/c and DBA/2, suggesting that the coat color genes of the HLC were homogenous.

• 杂交F1的毛色同BALB/C与DBA/ 2杂交的F1代相同 ,全部为桂皮色 ,基因型为AAbbccDD。