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Researchers solve the mystery of 15-year-old mutant ferns with disrupted sex determination.

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image: Fingerprints Yield Sex Info

Fingerprints Yield Sex Info

By | November 5, 2015

The amino acids left behind in a human fingerprint can be used to determine whether an individual is male or female.

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image: Week in Review: June 29–July 3

Week in Review: June 29–July 3

By | July 3, 2015

Sex differences in processing pain; clue in flu vaccine–narcolepsy link found; early antibiotic use affects the gut microbiome; lizard sex determined by genes, then temperature

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image: RNA-based Sex Determination?

RNA-based Sex Determination?

By | August 20, 2014

Researchers find that microRNAs may play a role some of the sexual differences seen in fruit flies.

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image: RNA Determines Sex in Silk Worms

RNA Determines Sex in Silk Worms

By | May 19, 2014

The finding is the first case of sex determination that does not involve a protein and may one day be a boon to silk manufacturers.

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image: Genome Digest

Genome Digest

By | February 6, 2014

What researchers are learning as they sequence, map, and decode species’ genomes

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image: It Takes Two

It Takes Two

By | November 21, 2013

Two genes from the Y chromosome are sufficient to generate male mice capable of fathering healthy offspring via an assisted reproductive technique.

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