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This beetle has reproduced asexually for a long time
In the framework of an international research project, a group of scientists demonstrated for the first time that asexual reproduction can be successful in the long term
So far, scientists have seen the huge evolutionary advantage of sexual reproduction, that is, the two different genomes that parents can provide meet to produce genetic diversity in offspring
However, species that reproduce asexually may also introduce genetic variation during evolution to adapt to the environment
It is difficult for evolutionary biologists to explain the existence of ancient asexual animal species like O.
Therefore, animal species composed of only females like O.
In their research, the researchers collected Oppiella nova from different populations in Germany and closely related but sexually reproducing Oppiella subpectinata species, and sequenced and analyzed their genetic information
"These mites are only one-fifth of a millimeter in size, which is difficult to identify
Their efforts finally paid off: they successfully proved the Meselson effect
The results of the study show that the probability of survival of species without sexual reproduction is very small, but it is not impossible
Proceedings of the National Academy of Sciences
DOI
10.
