58 



THE INHERITANCE OF COLOR IN MICE. 



Dilute black agouti x brown. 



Cross 28. Dilute black agouti heterozygous in agouti crossed with homozygous brown. 

 Y^Br^BidnPiA x Y^Br^DiPi. Expectation, 1 BAg, 1 B. 



Mating. 



Parents. 



BAg. 



227 Unmarked x unmarked 



B. 



Dilute black agouti x pink-eyed dilute brown. 

 Cross 2Sa. Both parents homozygous. Y iBriBidtPiAi x F2Br2C?2P2. Expectation, all dBAg. 



Cross 28b. Dilute black agouti heterozygous in agouti crossed with homozygous pink-eyed 

 dilute brown. Y2Br2B2d2P2A x F2fi?'2C?2P2. Expectation, 1 dBAg, 1 dB. 



Cross 28c. Dilute black agouti heterozygous in black crossed with homozygous pink-eyed 

 dilute brown. Y2Br2Bd2P2A2 X Y2Br2d2pz- Expectation, 1 dBAg, 1 dBrAg. 



Cross 2Sd. Dilute black agouti heterozygous in black and agouti, crossed with homozygous 

 pink-eyed dilute brown. Y2Br2Bd2PtA x YiBr^dopi. Expectation, 1 dBAg, 1 dB, 

 1 dBrAg, 1 dBr. 



