Classical quantitative genetics has found that most phenotypes are polygenic traits. Under this polygenic model, natural selection often acts on many loci simultaneously, resulting in the combination of a few loci with major ...
Ecology
Jul 8, 2020
0
90
Some 160 years after Darwin, we understand how natural selection works. But why don't all organisms have the same ability to evolve?
Evolution
Jun 23, 2020
0
2
Whilst most organisms try to stop their DNA from mutating, scientists from the UK and China have discovered that a common fungus found on bread actively mutates its own DNA as a way of fighting virus-like infections.
Biotechnology
Jun 22, 2020
0
112
University of Wisconsin-Madison scientists have found that a constantly fluctuating environment can enable some species to invade new areas by helping them maintain the genetic diversity they need to settle into their new ...
Evolution
Jun 22, 2020
0
112
Bacteria, fungi and plants sometimes produce metal-binding substances that can be harnessed, for example for the extraction of raw materials, for their separation, for cleaning soils or for medical purposes.
Cell & Microbiology
May 26, 2020
0
5
What effect does extinction of species have on the evolution of surviving species? Evolutionary biologists have investigated this question by conducting a field experiment with a leaf galling fly and its predatory enemies. ...
Evolution
May 4, 2020
0
45
The current pace of climate change exceeds historical events by 1-2 orders of magnitude, which will make it hard for organisms and ecosystems to adapt. For a long time, it has been assumed that adaptation was only possible ...
Evolution
Mar 20, 2020
43
436
Turning genes on and off as needed allows an organism to adapt to changes in the environment—provided the organism has a specific regulatory design in place. Scientists from the Institute of Science and Technology Austria ...
Evolution
Mar 9, 2020
1
16
Life is tough if you're a beetle.
Ecology
Feb 28, 2020
0
16
This summer's devastating Australian fires and their continuing impact on biodiversity serve as a stark reminder of the challenges in nature conservation as we head into an increasingly volatile future driven by climate change.
Ecology
Feb 21, 2020
0
6
