In the course of evolution, animals have repeatedly shifted from sexual to asexual reproduction. The first evidence of the consequences of parthenogenesis – a type of asexual reproduction – on genome ...

(Santa Barbara, Calif.) Why are most organisms sexual? The question of why most species reproduce sexually and others reproduce asexually has stymied biologists for years (particularly since asexual ...

Two supposedly asexual species of stick insects may engage in occasional bouts of sex, helping to widen their gene pool and avoid harmful mutations. A handful of animals reproduce asexually, primarily ...

Stick insects that reproduce asexually cannot adapt as quickly in the course of evolution as sexually reproducing species, leading to a decrease in biological diversity, according to new research. An ...

As the generations dragged on past the 27th iteration, the birth rate began to silently collapse. By the 57th generation, a mere 0.6 percent of the cloned embryos survived. The 58th generation ...

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A shark born at Italy's Acquario Cala Gonone could be the first case of asexual reproduction in its species. The Sardinia-based facility says its female smooth-hound shark "Ispera" was born in a tank ...

An international research team has discovered various mechanisms in asexual mites that generate genetic diversity and thus ensure survival. In collaboration with colleagues from international partner ...