Dominant and Recessive 



233 



Mendel's Results From Mating Hybrids Together 

 Numbers and (percentages) in segregations, F^ generation 



Dominant 



1 Seed form 5^474 (74-74) 



2 Cotyledon color 6,022 (75.06) 



Recessive 



3 Stature 



4 Pod type 



5 Pod color 



6 Flower position 



7 Seed coat 

 Totals 



787 (73.96) 



882 (74.68) 



428 (73-79) 



651 (75.87) 



705 (75-90) 



i4»949 (74-90) 



1,850 

 2,001 



299 

 152 



207 



224 



5,010 



(25.26) 

 (24.94) 

 (26.04) 



(25-32) 

 (26.21) 



(24-13) 

 (24.10) 



(25.10) 



Total 



7*324 

 8,023 



1,064 



1,181 



580 



858 



929 



19.959 



tall. On crossing a green-seeded plant with a yellow-seeded 

 one, the offspring all bore yellow seeds. On crossing a va- 

 riety that bore wrinkled seeds with one that bore smooth 

 seeds, the offspring all bore smooth seeds. Mendel found 



Dominant and Recessive Characters 

 IN Plants 



Name of Plant 



Wheat 



Wheat 



Barley ^ 



Wheat J 



Maize 



Maize 



Maize 



Garden pea 



Garden pea 



Garden pea 



Tomato 



Cotton 



Stock 



Sweet pea 



Jimson weed! 



Sunflower 



Nettle 



Chinese primrose 



1 



Dominant Character 



Late ripening 

 Susceptibility to rust 



Beardless 



Round, starchy kernel 

 Yellow grain 

 Purple grain ■ 

 Yellow seed 

 Tallness 

 Smooth seed 

 Two-celled fruit 

 Colored lint 



Colored flower 



Branched stem 

 Saw-edge leaves 

 Palmate leaf 



Recessive Character 

 Early ripening 

 Immunity to rust 



Bearded 



Wrinkled, sugary kernel 



White grain 



Yellow grain 



Green seed 



Dwarf 



Wrinkled seed 



Many -celled fruit 



White lint 



White flower 



Unbranched stem 

 Smooth-margin leaves 

 Pinnate leaf 



