Thursday, June 18, 2009

Purpose of Sex

If we want to redesign sex, it would help if we knew what sex was for.

Writing in The New Scientist (15th June 2009), Nick Lane asks Has the mystery of sex been explained at last? , and quotes Canadian biologist Sally Otto.

"sex is most advantageous when there's a lot of variation in a population, when mutation rates are high and selection pressures are great"

Does this explain why even the most physically unattractive politicians seem to have vigorous sex lives? See my post on Sex and Stress.

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