Scientists develop 'sexy_markers,' a bioinformatics tool that reveals white shark gender
A new study led by CSIRO, Australia's national science agency, has revealed white shark gender is determined by X and Y sex chromosomes.
A new study led by CSIRO, Australia's national science agency, has revealed white shark gender is determined by X and Y sex chromosomes.
Plants & Animals
Dec 6, 2023
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33
Scientists have known that sex-determination in vertebrates happens in the germ cells, a body's reproductive cells, and the somatic cells, the cells that are not reproductive cells. Yet they have not fully understood the ...
Plants & Animals
Sep 9, 2022
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72
Higher water temperatures induce specific chemical tags at targeted locations on the DNA of embryonic zebrafish. These "epigenetic" changes can then reroute genetic pathways, so that the embryos change sex. This finding, ...
Plants & Animals
Jul 20, 2022
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141
The sex and sexual characteristics constitute key aspects of an organism's life and are determined by a biological process known as sex determination. These ever-evolving mechanisms are broadly classified based on the type ...
Cell & Microbiology
Jun 21, 2022
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22
Sex is a complicated affair for Australia's Jacky Dragon lizard.
Plants & Animals
Feb 9, 2021
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70
Scientists have discovered a molecular marker for sex determination in sturgeon within the international project STURGEoNOMICS, led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB). This discovery ...
Plants & Animals
Nov 24, 2020
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8
The evolution of sex chromosomes is of crucial importance in biology as it stabilizes the mechanism underlying sex determination and usually results in an equal sex ratio. An international team of scientists, led by researchers ...
Biotechnology
Sep 8, 2020
1
166
A new method for estimating the biological sex of human remains based on reading protein sequences rather than DNA has been used to study an archeological site in Northern California. The protein-based technique gave superior ...
Archaeology
Jul 20, 2020
2
481
Sex in plants can be befuddling. Most species are hermaphrodites, expressing both male and female gametes in one individual. But some, including shrub willow Salix purpurea, employ the evolutionary strategy we are far more ...
Biotechnology
Apr 20, 2020
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84
Sex is an ancient and widespread phenomenon, with over 99 percent of eukaryotes (cells with nuclei) partaking in some form of sexual reproduction, at least occasionally. Given the relative ubiquity and presumed importance ...
Evolution
Dec 23, 2019
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21