Science and Nature

A species of yeast produces shut to-identical clones when it has sex


4 Could per chance well also 2021

By Michael Marshall


Yeast start out with two copies of each and every chromosome

Nobeastsofierce Science / Alamy

A species of yeast has unfamiliar sex. Whereas most organisms spend sex to reshuffle their genes and secure offspring which would be genetically diversified from their dad and mother, this one goes to extreme lengths to keep away from recombining its DNA.

The yeast, called Saccharomycodes ludwigii, illustrates a instruct that every sexually reproducing species face: whereas sex has evolutionary benefits, it also has charges. In some conditions, reshuffling genes can secure contributors that might per chance perchance’t continue to exist, so it is a ways higher now to no longer invent it too powerful.

“This species is an extreme …

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