This implies that mating types will have a smaller chance of finding a suitable mating partner than in a homogeneous population, since they are unable to mate within their clone, while the undifferentiated gamete type has no reduced opportunity for mating, although most matings will be intra-clonal.
That is not to say, of course, that selecting a running mate has no meaning.
The relatively benign New World species Anopheles albimanus, for example, had no mating plug at all, and delivered a barely measurable dose of 20E.
Males were sexually mature (16.52 ± 0.35, mean ± SE), however they had no mating experience.
It's been a week when poor Dave Cameron appears to have no mates.
Fred and Barney have no mates, obviating their usefulness in the Gazoo inquiry.
But Fred and Barney, the first earthlings whom Gazoo encounters, have no mates.
"I seem to have ended up single and having no mates around now which I'm clearly not cool enough for but I won't worry about that for now".
For distinct male and female roles to evolve from a population that has no predefined mating preferences, the robots would have to consider the risks and costs of each role: females, for instance, have to bear the cost of giving birth to offspring.
She has no team-mates to help her, so her main ally today is the course, with its two hills.
