1O4 



Heredity and Environment 



I 1 WHITE 



ll^-Vj VERY PALt PIMPLE 



$M3 PINK 



PM.E PURPLt 



FED 



PUKPLB 



Butt 



fiEB DEEP PURPLE 



FIG. 33. RESULTS OF CROSSING Two DIFFERENT RACES (A AND 5) OF 

 WHITE SWEET PEAS; all the F^ hybrids (C) are purple with blue wings 

 like the wild ancestral stock; in F 2 six colored varieties are formed rang- 

 ing from purple with blue wings (D) to tinged white (/) and several kinds 

 (genotypes) of white varieties (K). (After Punnett). 



