442 



Plant-Breeding 



POLLEN GRAINS 

 L L 



EGG CELLS 



LL 



LI 



LL 



LI 



Phenotypes = 2 LL ; 2 LL 

 Genotypes = 2 LL', 2 LI 



Problem 5. 



Tall, smooth (Th) X dwarf, Hairy (tH) = Tall, Hairy (TtHh) 

 Fi gametes = TH ; Th; tH ; th. 



Fi self ed = 



POLLEN GRAINS 



TH Th tH th 



TH 



th 



