PLANT GENETICS 



23 



P| I F | Somatic cell 



of flint parent 



s | | S I Somatic cell 



of sweet parent 



Gametes of parents 



Ofstaicby appearance 



Will breed 

 true 



seed of starch) habit . The factor 

 foi starch development, F, produces 

 a complele dominance over the sweet 

 factor, S 



Male reproductive cells 



Female reproductive cells 



li I s ! \\ F 



seeds 



wrinkled seeds 



Will segregate 



DIAGRAM 1 



Will breed true 



Inheritance of Two Independently Inherited Characters. 



Crosses between varieties which differ in two independently 



inherited characters may next be illustrated. The parental 

 forms in the case of each differential character will be considered 

 to differ in only a single inherited factor. 



PARENTS CHARACTERS GAMETES 



White Fife wheat Awnless spike, white seed AW 



Preston Bearded spike, red seed BR 



