Do 25 Januari 2007 09:32 |
louise |
2592 keer bekeken |
0 reacties |
0 x aanbevolen
Chester Zoo is celebrating the 'virgin birth' of five Komodo dragons after the hatching of a clutch of eggs laid by a female who has never mated with a male. Paternity tests have proved that five young born to a female called Flora were conceived by parthenogenesis, a form of asexual reproduction that is known to take place in lizards, but has only recently been documented in this species. Flora laid her clutch of seven viable "immaculately conceived" eggs in May, despite never mixing with or being mated with a male. The young, born between January 15 and 22, are all male, weigh up to 40oz and ...