Males and females are independently capable of producing offspring.
Older females, then, can be useful even when they are not producing offspring.
The nonstop media parade of midlife women producing offspring is stunning.
FOR animals, producing offspring usually involves the intricate complexities of sex.
Indestructible microbial organisms, blog-trolls copulate with themselves constantly, producing offspring in the form of lethally insolent verbal tics.
"We have not yet reached the stage of producing offspring, and so we will need to understand if the baby rats will be genetically related to the mother, or to the donor of the stem cells.
What is clear is that giant squid are very successful at producing offspring.
Accurate determination of the carrier phenotype is essential for detecting couples at risk for producing offspring with hemoglobinopathy.
Traits evolved in a way that improved their bearer's chances of survival and its success at producing offspring.
An individual's fitness is determined by his or her success in producing offspring that, in turn, survive to produce offspring themselves.
Those individuals that are most successful in producing offspring are the "most fit," and will, by definition, contribute the most genetic material to future generations.
