Yeast reveals sexual selection in action

sea-maid submitted, created time 2 months 3 weeks (www.nature.com)

The yeast microbe provides way to track evolution gene by gene.

Sexual selection is difficult to work with in complex species. Scientists dispute over whether sexually favored traits represent side effects of healthy immune systems or other desirable traits or whether these preferences arise arbitrarily. One of the reasons that this is so difficult to figure out is that the traits involve multiple genes.

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