60 



THE INHERITANCE OF COLOR IN MICE. 



Pink-eyed black agouti x pink-eyed blacl:. 

 Cross 33. Both parents homozygous. Y?Br:B>D>p 2 A2 x Y.llrJiJ)ji.. ] Expectation, aWpBAg. 



Cross 34. rink-eyed black agouti heterozygous in black and agouti crossed with pink-eyed 

 black heterozygous in black. YtBrtBDzfiA x Y 2 Br 2 BD.p». Expectation, 3 pBAg, 

 3 pBrAg, 1 pB, 1 pBr. 



!' ink-eyed black agouti X dilute black. 

 Cross 35. Pink-eyed black agouti heterozygous in density crossed with dilute black hetero- 

 zygous in dark eye. YtBrzBiDdptAi xYiBr-iBidiPp. Expectation, 1 BAg, 1 dBAg, 

 1 pBAg, 1 pdBAg. 



Pink-eyed black agouti x dilute brown agouti. 



Cross 36. Both parents homozygous. YaBrtBtDjipzAt x Y 2 Br 2 d 1 P 1 A2. Expectation, 

 BAg only. 



Mating. Parents. BAg. 



Ms 682xp691... 15 



Cross 37. Homozygous pink-eyed black agouti crossed with dilute brown agouti hetero- 

 zygous in dark eye. YJBrJBzDzjhAi X YJSridJPpAi. Expectation, 1 BAg, 1 pBAg. 



Cross 38. Pink-eyed black agouti heterozygous in density and agouti crossed with dilute 

 brown agouti heterozygous in agouti. YoBriBiDdjhA x Y2Br-2.dj.P2A. Expectation, 

 3 BAg, 3 dBAg, 1 B, 1 dB. 



