Researchers at the Francis Crick Institute, working with University of Oxford, University of York and Oxford Archaeology, have developed a new technique to measure the number of chromosomes in ancient genomes more precisely, ...
Archaeology
Jan 11, 2024
0
340
Human sex chromosomes originated from a pair of autosomes, the ordinary or non-sex chromosomes that contain the majority of our genome and come in identical pairs. That ancestral pair of autosomes diverged to become two different ...
Molecular & Computational biology
Dec 15, 2023
2
1197
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
0
33
The research group of Dr. Claudia Keller Valsecchi (Institute of Molecular Biology, Mainz, Germany) and their collaborators have discovered the master regulator responsible for balancing the expression of X chromosome genes ...
Plants & Animals
Oct 6, 2023
1
109
Across the U.S., legislators are debating how and when sex and gender should be discussed in the classroom and beyond. Specifically, these bills are considering whether anything beyond male or female can be included in library ...
Education
Aug 31, 2023
0
6
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
Morpho butterflies are emblematic species of the Amazonian rainforest known for their metallic shades of blue and green. Despite their conspicuous looks and fascinating biology, large-scale genome sequencing efforts have ...
Evolution
May 23, 2023
0
2
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
The sex of human and other mammal babies is decided by a male-determining gene on the Y chromosome. But the human Y chromosome is degenerating and may disappear in a few million years, leading to our extinction unless we ...
Evolution
Dec 6, 2022
1
104
