PREDICTION OF LINKAGE MAPS 



283 



25 a$ 



128 



bm. 



23456789 10 



p 



45 



br 



f, 57 



63 



71 



t, 



28 



B 39 



fl, ^ 

 f^u 63 



85 



103 



a, , 



de, 

 6 

 12 



35 Ga 



tS4 56 



J 



100 

 105 

 III 



40 



Ts, 



iz 



bm, 



bv 



51 



pO 



52 



v» 



Tp 

 •J 



T5-7a 



Bn, 



mss 



39 



54 



knob 



bp 



T8-9a 



nl, 



Fig. 94. — Lengths of the linkage groups of Zea Mays predicted 

 from chiasma frequencies, compared with results already mapped 

 from breeding experiments by Emerson, Beadle and Fraser, 1935 

 (after D., 1934)- 



