GENETIC STUDIES ON THE SILKWORM 
Of which 
PO 132 
: Po 
35 = PO 38 : 
po 1 2 
ao 127 
: Qo 
33 : qO 43 : 
qo 14 
Exp. ratio 
9 
: 3 
1 
0 and M, 0 and L. 
leterozygous multilunar-moricaud opaque yellow s ( MniPPQqLlOoYy 
mated inter se. 
760' 1 ; 
Opaque 
(0) Oily(o) 
V J J \ J 
Totals 
Multil. mor. yel. 
MPOLY 
3 2 
l 3 
45 
Multil. mor. \vh. 
MPOLy 
2 
0 
2 
]\Ior. yel. 
MPQ1Y 
>5 
5 
20 
Mor. wh. 
MPQly 
1 
0 
1 
Multil. norm, ye 
1. mPQLY 
1 
1 
2 
Multil. norm, wh 
. mPQLy 
7 
9 
Norm. yel. 
mPQIY 
t 
4 
Norm. wh. 
mPOIy 
1 
O 
1 
Totals 
61 
— 3 
86 
Of which 
MO 50 = 
Mo 18 
mO ! 1 mo 
7 
LO 42 
Lo 16 
10 19 : lo 
9 
Exp. ratio 
9 = 
-> 
: 3 
e) 0 and Z. 
Heterozygous plain-zebra opaque yellows (PPqqZzOoYy) mated 
inter se. 
A 767' 1 5 Opaque (0) Oily(o) Totals 
PI. zebr. yel. PqZY 62 20 82 
PI. zebr. wh. PqZy 23 5 2S 
PI. yel. PqzY 20 9 29 
Pl. wh. Pq z y 5 5 10 
Totals 1 10 39 149 
Of which ZO 85 : Zo 25 : zO 25 : zo 14 
Exp ratio 9:3:3:1 
