Other cultivated potato species may be diploid (2n = 2x = 24), triploid (2n = 3x = 36), tetraploid (2n = 4x = 48), or pentaploid (2n = 5x = 60).[72] Wild relatives mostly have 2n=24.[21] [72] Orangutan (Pongo) 48 Hare (Lepus) 48 [73][74] Gorilla (Gorilla) 48 Deer mouse (Peromyscus maniculatus) 48 Chimpanzee (Pan troglodytes) 48 [75] Beaver (Eurasian) (Castor fiber) 48 Zebrafish (Danio rerio) 50 [76] Water buffalo (swamp type) (Bubalus bubalis) 50 Striped skunk (Mephitis mephitis) 50 Pineapple (Ananas comosus) 50 [21] Kit fox (Vulpes macrotis) 50 Spectacled bear (Tremarctos ornatus) 52 Platypus (Ornithorhynchus anatinus) 52 Ten sex chromosomes. Males have X1Y1X2Y2X3Y3X4Y4X5Y5, females have X1X1X2X2X3X3X4X4X5X5.[77] [78] Cotton (Gossypium hirsutum) 52 This is for the cultivated species G. hirsutum (allotetraploid, 2n=4x=52).