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sex

Chameleons
Insights puzzle

Solution: ‘Why Are There Two Sexes?’

By Pradeep Mutalik
July 28, 2017
Read Later

The mathematical concept of parity and the fatal flaw of serial multiplication can help explain why having two sexes usually works better than having one or three.

Missing Mutations Suggest a Reason for Sex
molecular biology

Missing Mutations Suggest a Reason for Sex

By Veronique Greenwood
July 13, 2017
Read Later

Sex might help natural selection purge excessive mistakes from our genes.

Chameleons
Insights puzzle

Why Are There Two Sexes?

By Pradeep Mutalik
July 7, 2017
Read Later

Asexual reproduction can produce twice as many offspring as sexual reproduction without the hassle of finding and courting a mate. So why do most complex animals have two sexes? Why not three?

Biology

The Incredible Shrinking Sex Chromosome

By Emily Singer
December 1, 2015
Read Later

Nature offers species a panoply of ways to determine an organism’s sex. That flexibility suggests we need not be concerned about losing sex chromosomes, but it raises the question of why such a fundamental property is so variable.

evolution

Ancient Survivors Could Redefine Sex

By Emily Singer
November 19, 2014
Read Later

Microscopic creatures called bdelloid rotifers have thrived without mating for millions of years. How they did it could reveal why sex is so essential for almost everyone else.

evolution

The Game Theory of Life

By Emily Singer
June 18, 2014
Read Later

An insight borrowed from computer science suggests that evolution values both fitness and diversity.


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