a, B, C
Intense black
Genes:

Car-2^a, Ce-2^a, Cs-1^g, Es-1^a, Es-3^a, Es-10^a, Gpd-1^a, Gpi-1^b, Hbb^s, Idh-1^a, Lv^c, Mod-1^b, Mup-1^b, Pep-3^a, Pgm-1^a, Trf^b
Hc¹, H-2D^b, H-2K^b, Lyt-1^b, Lyt-2^b, Lyt-3^b, Thy-1^b, Tla^b.

• Very low mammary tumor incidence. (680)

• In comparison with other inbred strains, C57BL/10 is resistant to Gross, Bittner, Friend S and B viruses, and relatively resistant to Tennant virus. (370)

• Relatively resistant to induction of cleft palate by cortisone. (067)

• Macrophages from BDG-infected, LPS-unresponsive C57BL/10ScCR mice were not tumoricidal in vitro, but cells from BCG-infected LPS-responsive C57BL/10Sn from Jackson lab were. (608)
• High interferon serum levels after induction by Newcastle disease virus. (696)

• High resting plasma steroid levels, and responds to acute stress by prolonged elevation. (398)

• High preference for ethanol and for morphine presented in a saccharine vehicle. (794)