If I die without leaving any offspring surely I will have failed as a biological entity.
But he is getting on in years and he does not have any offspring.
"Not all cross-species matings will produce viable, or indeed any, offspring.
The biotech company has genetically modified male mosquitoes to make them "self-limiting", so any offspring die before reaching adulthood.
Any offspring will be a genetic copy, or clone, of the adult animal from which the cell was taken.
There were 310 mothers of twins, who use the word "singleton" for any offspring who is not a twin.
(Maclean and the other keepers hope that any offspring of Tian Tian might one day grow up to enter China's reintroduction programme).
In its new life, the station was to be a research post, with it and any offspring captive to the planet.
But a captive breeding program under way at the Hope Zoo and six American zoos has failed to produce any offspring, for still unknown reasons.
Mei Xiang and Tian Tian, like the forty or so other pandas in non-Chinese zoos around the world, are, in effect, rentals, since China retains ownership and can claim any offspring.
He says that, in Western culture, lots of money gives women the impression that men will be able to provide for them and for any offspring they may have together.
