674 General and Applied Biology 



Chromosomes in Various Animals and Plants* 



NUMBER OF 

 CHROMOSOMES 



PER BODY OR 

 SOMATIC CELL 



Animal 



Hydra fusca (phylum, Coelenterata) 12 

 Campanularia (phylum, Coelenterata) 20 

 Horse roundworin (Ascaris megalocephala) (Nemathelminthes) 4 

 Human roundworm (Ascaris lumbricoides) (Nemathelminthes) 48 

 Earthworm (Lumbricus sp.) (phylum, Annelida) 32 

 Leech (Nephelis sp.) (phylum, Annelida) 16 

 Snail (Helix sp.) (phylum, Mollusca) 48 

 Water flea (Cyclops sp. ) (phylum, Arthropoda) 4 

 Brine shrimp (Artemia sp.) (phylum, Arthropoda) 168 

 Crayfish (Cambarus virulus) (phylum, Arthropoda) 200 

 Crayfish (Cambarus immunis) (phylum, Arthropoda) 208 

 Fruit fly (Drosophila sp.) (phylum, Arthropoda) 8 

 Cabbage butterfly (Pieris sp.) (phylum, Artl^ropoda) 30 

 Housefly (Musca sp.) (phylum, Arthropoda) 12 

 Mosquito (Anopheles sp.) (phylum, Arthropoda) 6 

 Cockroach (Periplaneta sp.) (phylum, Arthropoda) 34 

 Gypsy moth (Lymantria sp.) (phylum, Arthropoda) 62 

 Frog (Rana sp. (subphylum, Vertebrata) 26 

 Salamander (subphylum, Vertebrata) 24 

 Pigeon (Columba sp. ) (subphylum, Vertebrata) 16 

 Opossum (Didelphys sp.) (subphylum, Vertebrata) 22 

 Hedgehog (subphylum, Vertebrata) 48 

 Armadillo (subphylum, Vertebrata) 60 

 Rabbit (Lepus sp.) (subphylum, Vertebrata) 44 

 Dog (Canis sp.) (subphylum., Vertebrata) 78 

 Horse (Equus sp.) (subphylum, Vertebrata) 60 

 Cat (Felis domesticus) (subphylum, Vertebrata) 38 

 House mouse (subphylum, Vertebrata) 40 

 Monkey (Rhesus macacus) (subphylum, Vertebrata) 48 

 Man (Homo sapiens) (subphylum, Vertebrata) 48 



Plants 



Green alga (Spirogyra sp.) (phylum, Thallophyta) 24 

 Ascus or Sac fungus (Pyronema sp.) (phylum, Thallophyta) 24 

 Rockweed (Fucus sp. ) (phylum, Thallophyta) 64 

 Peat moss (Sphagnum sp.) (phylum, Bryophyta) 40 

 Pine tree (Pinus sp.) (Gymnosperm) 24 

 Yew tree (Taxus sp.) (Gymnosperm) 16 

 Fir tree (Abies sp.) (Gymnosperm) 32 

 Pea (Pisum sp.) (Angiosperm) 14 

 Currant (Ribes sp.) (Angiosperm) 16 

 Chinese Primrose (Primula sinensis) (Angiosperm) 18 

 Tomato (Lycopersicum esculentum) (Angiosperm) 24 

 Black nightshade (Solanum nigrun) (Angiosperm) 72 

 Corn (Zea mays) (Angiosperm) 20 

 Sedge or shear grass (Carex aquatilis) (Angiosperm) 74 

 Onion (Allium cepa) (Angiosperm) 16 

 Lily (Lilium sp.) (Angiosperm) 24 

 Hawk's beard (Crepis virens) (Composite Family) (Angiosperm) 6 



*For a list of chromosomes for approximately 1,000 species, see the Journal of Morpholoey 

 34: 1-67, 1920. 



