How many chromosomes does a hippopotamus have?
The Nile hippopotamus and the pygmy hippopotamus, both have 36 chromosomes.
13) Genetics The Nile hippopotamus and the pygmy hippopotamus, both have 36 chromosomes (thus 18 pairs), all metacentrics (Gerneke, 1965; Hsu & Benirschke, 1977). Only the Y-chromosome is acrocentric and it is larger in the pygmy hippopotamus. The two karyotypes are otherwise essentially similar. Hybrids are unknown.Karyotype of male Nile hippopotamus.Karyotype of female Nile hippopotamus.Karyotype of male pygmy hippopotamus.