180 FUNDAMENTALS OF CYTOLOGY 



sr msl7 ts2 P zl as br f on gs bmZ 



25' 27 28~"30 -53 80 85 



ws3 ig 9I2 B sk ft ts^ v4 Ch 



H 1 1 1 — l-O 



49 56 68 74 83 128 



Rg ts4 ba 



18 40 47 64 75 103 



de Go ts5 sp ^u ,del6 .zb6 tu JZ gl3 



-\ 1 1 — Q I ( C 1 i-H — I — 



35 56 66 71 74 ^84 lo'o 105 III 



aS bm bt y3_bv pr ys vg 



6 



6 7 10 12 31 40 



po Y PI sm py 

 — K'") 1 1 1 ^ 



13 



in v5 ra gt Tp ij Bn bd 



\ — O"^"* — ' — ' •■ 



4 18 22 32 38 56 



8 



ms8 



28 



knob yg2 C sh bp »x 

 1-4 ?-i 1 ^-0~ 







Rp Og sp2 ti 18 g 



—\ 1— «''>-4+- 







16 "' Zi ~~28 38 43 57 



Fig. 127.-^Linkage map for Zea viaya. The kiiietochores are assigned tentatively to 

 positions with respect to the genes; those shown with broken lines are less definitely placed 

 than the others. (After L. F. Randolph.) 



