64 



THE INHERITANCE OF COLOR IN MICE. 



Brown agouti x brown. 



Cross 51. Homozygous brown agouti crossed with homozygous brown. Y2BriD2P2A2 X 

 YiBrJDiPi. Expectation, all BrAg. 



Cross 62. Brown agouti heterozygous in dark eye and agouti crossed with brown heterozy- 

 gous in dark eye. YiBrAPpA ^liYiBrAP-p. Expectation, 3 BrAg, 3 Br, 1 pBrAg, 

 1 pBr. 



Brown agouti x pink-eyed brown. 

 Cross 53. Both parents homozygous. YiBriDiPtAi x YiBrJO^p^. Expectation, all BrAg. 



Brown agouti x dilute black. 

 Cross 54. Brown agouti heterozygous in density and agouti, crossed with dilute black 

 heterozygous in black. Y^jBriDdPiA x YtBriBd^Pi. Expectation, 1 BAg, 1 dBAg, 

 IB, I dB, 1 BrAg, 1 dBrAg, 1 Br, 1 dBr. 



Brown agouti x pink-eyed dilute brown. 

 Cross 54a. Both parents homozygous, Y2Br2D2PiA2 x YiBrApi. Expectation, all BrAg. 



VI. Dilute Brown Agouti, YBrdPA (Fig. 6). 

 Eyes brown; ears, feet, and tail lightly pigmented with brown. Ventral hairs dull fawn 

 Dorsal hairs showing the agouti pattern. The whole appearance is that of a dull, faded, 

 intense brown agouti. 



