;[70 Linkage and Crossing Over 



21,906 colorless, full : 672 colorless, shrunken. If these genes are linked, 

 what is the percentage of crossing over? What would be the results of 

 the following crosses? 



CSh/ csh xCSh/csh 

 C Sh / csh X c sh /csh 

 Csh / cShXCsh / c Sh 

 c sh / csh XC sh / cSh 



