(Mutations do create a minor amount of change.) If asexual reproduction survives at all, conditions must sometimes favor it, even in competition for a niche with sexually reproducing species.

Cover of A Happy World by Aldous Huxley. Sexual vs. asexual reproduction Reproduction as we commonly conceive it, not only in humans but in all species, occurs sexually, that is, from the ...

Those outlier liaisons gave whiptails robust heterozygosity, which has been preserved by the identical replication—essentially, cloning—that occurs in asexual reproduction. It’s a genetic ...

The rotifers were frozen in permafrost in a long-term cryptobiotic state. Lessons from these and other revived organisms could help farms on Mars. We promise this isn’t as sinister as it sounds: ...

Hydra vulgaris constantly replenish the cells in their heads and grow new ones to reproduce asexually. But gene expression analyses reveal that regenerating a head after an injury is a very different ...

Layering is a type of asexual propagation method where the newly formed plant remains attached to an established parent plant ...

Take the evolution of sex, for instance. To make the move from asexual to sexual reproduction, nature took a system by which parent cells reproduced simply by dividing (asexual reproduction ...

The finding may offer insight into a long standing question in evolutionary biology about what forces cause species to choose sex over asexual reproduction and vice versa, he said. On paper, ...

The questions in this quiz are suitable for GCSE biology students studying asexual reproduction, sexual reproduction, meiosis and gamete formation, advantages and disadvantages of sexual and ...