Researchers from the Max Planck Institute for Developmental Biology in Tübingen and their collaborators describe a strain of giant kelp that is genetically male, but presents phenotypic features of females. Their findings ...
Plants & Animals
Jul 13, 2021
0
27
For 30 years, University of Tokyo Associate Professor Hisayoshi Nozaki has traveled an hour west of Tokyo to visit the Sagami River and collect algal samples to understand how living things evolved different sexes. Through ...
Evolution
Jul 12, 2021
0
426
Wines and table grapes exist thanks to a genetic exchange so rare that it's only happened twice in nature in the last 6 million years. And since the domestication of the grapevine 8,000 years ago, breeding has continued to ...
Plants & Animals
May 18, 2021
0
150
Bearded dragon embryos can use two different sets of genes to become a female lizard—one activated by the sex chromosomes and the other activated by high temperatures during development. Sarah Whiteley and Arthur Georges ...
Plants & Animals
Apr 15, 2021
0
154
Scientists have found six sex chromosomes in the Odorrana swinhoana frog species endemic in Taiwan, giving new insights into how complex XY systems evolve.
Evolution
Apr 13, 2021
0
3
Parents who are exposed to predators pass on information about risky environments to their offspring through changes in gene expression—but how that information affects offspring differs depending on the sex of the parent. ...
Evolution
Mar 30, 2021
0
15
Sex-specific chromosomes are a dangerous place to be, if you're a gene. Because these chromosomes—Y chromosomes, in humans—do not have a matching chromosome with which to exchange genetic information, they are prone to ...
Plants & Animals
Jan 21, 2021
0
112
Males and females share the vast majority of their genomes. Only a sprinkling of genes, located on the so-called X and Y sex chromosomes, differ between the sexes. Nevertheless, the activities of our genes—their expression ...
Biotechnology
Sep 11, 2020
7
221
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
Men may have a surprising genetic advantage over women, according to new research carried out at the University of St Andrews.
Biotechnology
Aug 12, 2020
0
480
