Scientists historically have argued that evolution proceeds through gradual development of traits. But how can incremental changes apply to the binary switch between two sexes, male or female? Researchers at Case Western ...
Evolution
Jul 29, 2013
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Thane Wibbels, Ph.D., professor of biology in the University of Alabama at Birmingham College of Arts and Sciences, used to go out in the wild to catch turtles.
Plants & Animals
Jan 9, 2015
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It's been more than fifty years since scientists discovered that the single-celled organism Tetrahymena thermophila has seven sexes. But in all that time, they've never known how each cell's sex, or "mating type," is determined; ...
Cell & Microbiology
Mar 26, 2013
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Unlike most animals, sea lampreys, an invasive, parasitic species of fish damaging the Great Lakes, could become male or female depending on how quickly they grow, according to a U.S. Geological Survey study published today.
Plants & Animals
Mar 29, 2017
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It's taken nearly 200 years, but scientists in Arizona and Europe have teased out how the molecular switch for sex gradually and adaptively evolved in the honeybee.
Plants & Animals
Dec 30, 2013
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Researchers from Osaka University and the National Institute for Basic Biology, Japan, have found a highly significant connection between the molecular mechanisms underlying genetic and environmental sex determination. The ...
Biotechnology
Mar 24, 2011
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Most of us know that our biological sex is decided by the pairing of X and Y chromosomes during conception.
Ecology
Apr 24, 2018
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128
B chromosomes have a functional effect on sex determination in a species of cichlid fishes from Lake Victoria, according to a study by Japanese researchers to be published in open-access journal PLoS Genetics on August 18th, ...
Biotechnology
Aug 18, 2011
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Researchers at the Institute of Molecular Biology (IMB) and Johannes Gutenberg University Mainz (JGU) have shown that a new way of regulating genes is vital for the activity of the nervous system. They found that this form ...
Cell & Microbiology
Dec 8, 2016
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11
In the steamy, often filthy world of the humble house fly, (the Musca domestica) clear division exists among the males of the species. Though not a civil war, there are differences, to be sure, between males in the north ...
Molecular & Computational biology
Sep 5, 2019
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