
ath 
AY Wh 4 
ZL 
Wy 
\\)) 

Fic. 232. Diagrammatic representation of inheritance of flower color in 
four-o’clock 
The flowers represent individuals: cross hatching, red; single hatching, pink ; 
unshaded, white. The letter Rk represents a factor for red; W, a factor for white. 
Rings signify gametes ; straight lines represent union of sperm and egg ; curved 
lines, the production of offspring 
