A gene that helped one species split into two species shows evidence of adapting much faster than other genes in the genome, raising questions about what is driving its rapid evolution.
Feb 5, 2009
1
0
When animals of two different species mate, their hybrid offspring can be unhealthy or sterile. Often, only one sex is affected.
Evolution
Nov 20, 2023
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28
Over the past ten years, the DNA sequencing revolution has revealed that mating between two different species, i.e., hybridization, once considered rare, is actually widespread across the tree of life. This came as a surprise—hybridization ...
Evolution
Dec 21, 2022
1
56
The University of Sydney scientists who discovered all-female termite colonies have now ascertained how they came to exist. In doing so, they revealed how these powerful females potentially threaten other termites, as well ...
Plants & Animals
Jan 27, 2022
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80
The offspring of two horses will be a horse, and the offspring of two donkeys will be a donkey. But the offspring of a horse and a donkey will be a mule. And most mules are infertile, so mules are not a species.
Plants & Animals
Nov 24, 2021
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427
Ancient humans, Neanderthals and Denisovans were genetically closer than polar bears and brown bears, and so, like the bears, were able to easily produce healthy, fertile hybrids according to a study, led by the University ...
Evolution
Jun 3, 2020
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9236
To look at how life evolved, scientists usually turn to the fossil record, but this record is often incomplete. Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST), alongside an international ...
Evolution
Apr 20, 2020
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182
A hybrid bird species on the Galapagos Islands could help scientists find a way to stop an invasive fly which is killing off the hatchlings of famous Darwin's finches at an alarming rate, according to new research.
Plants & Animals
Apr 2, 2019
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101
Carrion crows and hooded crows are almost indistinguishable genetically, and hybrid offspring are fertile. Ludwig-Maximilians-Universitaet (LMU) in Munich biologists now show that the two forms have remained distinct largely ...
Plants & Animals
Mar 27, 2019
1
66
Proteins are the go-getters of a cell. They carry out all the jobs that are required for cells to grow, reproduce and perform other duties. But genes carry instructions for far more proteins than are present in a cell at ...
Cell & Microbiology
Feb 21, 2018
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