334 
A. D. Darbishire. 
1. gross, g 
gametes 
D g D g 
R $ 
lad. J ~ 
So 
R $ 
The lower formula in each square indicates the zygotic 
constitutions of the resultant zygotes. D stands for the gross. 
character ; R for the lacticolor ; g for maleness (recessive), 2 for 
femaleness (dominant). The upper formula in each square gives 
the somatic appearance of the zygote. 
2. F, gross, g 
D g R g 
D g 
Fj gross. 2 
R ? 
3. F x gross, g 
D g R g 
R g 
R ? 
gross, g 
DR g g 
lad. g 
RR g g 
gross. $ 
DR 2 g 
lad. 2 
RR ? g 
gross, g 
DD g g 
gross g . 
DR g g 
gross. 5 
DR ? g 
lad. ? 
RR g 2 
gross. 2 
DR g 2 
gross. 5 
DR g 2 
gross, g 
DR g g 
gross, g 
DR g g 
\lact. 2 
