As butterflies flit among flowers, they don't all view blossoms the same way. In a phenomenon called sexually dimorphic vision, females of some butterfly species perceive ultraviolet color while the males see light and dark. ...
Plants & Animals
Aug 10, 2023
0
502
In humans and other animals, sex is usually determined by a single gene. However, there are claims that in some species, such as platyfish, it takes a whole "parliament" of genes acting together to determine whether offspring ...
Plants & Animals
Apr 21, 2023
0
54
Nearly every cell in our body contains pairs of each of our chromosomes, and these pairs are identical in all but one case: that of our sex chromosomes. Males typically have one X and one Y sex chromosome, while females typically ...
Cell & Microbiology
Feb 9, 2023
0
129
Unlike humans, turtles, lizards and other reptiles—such as crocodiles—do not have sex chromosomes. Their sex is determined based on the environment, which makes them especially vulnerable to climate change. An increase ...
Plants & Animals
Nov 15, 2022
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85
It's not often that you see genetic systems described as "bizarre" in the title of a scientific research paper. That is unless it's from the lab of San Francisco State University Associate Professor of Biology Scott Roy, ...
Evolution
Jul 1, 2022
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66
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
0
22
While human males tend to suffer more than females from infectious diseases like COVID-19 or flu, for birds it's the males that appear to have stronger immune systems, suggests a new study led by the University of Bath.
Plants & Animals
Feb 21, 2022
0
208
Scientists at the Francis Crick Institute, in collaboration with University of Kent, have used gene editing technology to create female-only and male-only mice litters with 100% efficiency.
Plants & Animals
Dec 3, 2021
5
141
Researchers from Tokyo Metropolitan University have identified unifying features in the early evolution of X and Y chromosomes. Newly evolved sex chromosomes in three fruit fly species showed the same genetic compensation ...
Evolution
Nov 15, 2021
0
193
Many human diseases can differ between males and females in their prevalence, manifestation, severity or age of onset. Examples include Lupus, where more than 80% of patients are females; Alzheimer's disease, where females ...
Molecular & Computational biology
Sep 8, 2021
0
53
