496 - Heredity and Evolution 



I 



0.0 

 1.0' 



1.5',-- white 



3.0' 

 5.5 

 7.5 



13.7 

 16.0 



20.0 

 21.0 



27.5-, 

 27.7 



33.0 



36.lv 

 36.2' 



43.0 

 44.4 



54.5 - 

 56.5 x. 

 57.0'" 

 59.0 : 

 59.6 7 



65.0 



70.0 



yellow 

 -prune 



x facet 

 echinus 

 ruby 



crossveinless 

 vesiculated 



cut 

 singed 



, tan 



x lozenge 



vermilion 



-miniature 

 s dusky 



sable 

 garnet 



cleft 



bobbed 



Fig. 26-19. Chromosome maps 

 of Drosophila melanogaster, 

 showing the loci of some of the 

 genes that have been most ac- 

 curately located. (Adapted from 

 Morgan, Bridges, and Sturte- 

 vant.) 



II 



0.0 — t— aristaless 



1.3 



13.0 

 16.0 



31.0 



41.0 Jammed 



67.0 



72.0 

 75.5 



83.5 



90.0 -- 



99.5- 

 100.5 



105.0 

 106.9 

 107.0 

 107.5 



Star 



Truncate 

 Streak 



dachs 



vestigial 



Lobe 

 curved 



fringed 

 humpy 



_-arc 

 " plexus 



.-brown 

 .-morula 

 = \ speck 

 balloon 



III 



0.0 



20.0 



26.0- 

 26.5' 



35.0 



91.1 



93.8- 

 94.1' 



100.7 -- 



106.2 -- 



roughotd 



divergent 



- sepia 

 ■"hairy 



rough 



'Beaded 

 ^Pointed 



claret 

 Minute-i 



IV 



0.0 ^ bent 

 OSf ' \shaven 

 0.9 eyeless 



