Sunday, May 16, 2021
Home Science A species of yeast produces near-identical clones when it has sex

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

chromosomes

Yeast begin out with two copies of every chromosome

Nobeastsofierce Science / Alamy

A species of yeast has bizarre sex. While most organisms use sex to reshuffle their genes and create offspring which are genetically totally different from their dad and mom, this one goes to excessive lengths to keep away from recombining its DNA.

The yeast, referred to as Saccharomycodes ludwigii, illustrates an issue that each one sexually reproducing species face: whereas sex has evolutionary advantages, it additionally has prices. In some circumstances, reshuffling genes can produce people that may’t survive, so it is best to not do it an excessive amount of.

“This species is an excessive …

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