When two maize inbred lines are crossed with each other, an interesting effect occurs: The hybrid offspring have a significantly higher yield than either of the two parent plants. Scientists at the University of Bonn have ...
Biotechnology
Jan 19, 2018
0
95
The Neanderthals disappeared about 30,000 years ago, but little pieces of them live on in the form of DNA sequences scattered through the modern human genome. A new study by geneticists at the University of California, Davis, ...
Archaeology
Nov 8, 2016
2
1478
University of East Anglia scientists have revealed how females select the 'right' sperm to fertilize their eggs when faced with the risk of being fertilized by wrong sperm from a different species.
Evolution
Aug 16, 2013
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0
A new University of Florida study shows a hybrid plant species may experience rapid genome evolution in predictable patterns, meaning evolution repeats itself in populations of independent origin.
Biotechnology
Jan 19, 2012
1
0
Scientists have shown that modern humans have some traces of genes from Neanderthals, but a study out Monday suggests that any breeding between the two was most likely a rare event.
Archaeology
Sep 12, 2011
4
2
The determination of animal growth rate and body size is an interesting scientific issue, and understanding the molecular mechanisms involved can guide agricultural production for genetic breeding. However, differences in ...
Plants & Animals
Mar 6, 2024
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20
A new study has narrowed down the region of the genome that drives the black color in throat and face of warblers by studying the hybrid offspring produced when two species mate. The hybrids of golden-winged and blue-winged ...
Plants & Animals
Jul 14, 2020
0
7
Eastern barred bandicoots were once common in Victoria, but foxes and other threats have decimated numbers so badly that they only remain in captivity at three fenced reserves and on one small island.
Ecology
Sep 5, 2017
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12
Among birds, the line between species is often blurry. Some closely related species interbreed where their ranges overlap, producing hybrid offspring that can even backcross with either parent species, until a whole population ...
Plants & Animals
Jun 18, 2015
0
21
A pair of new studies from the Wildlife Conservation Society, Idaho State University, and the University of Nevada Reno look at the surprising variety of factors that prevent two closely related species of woodrats from becoming ...
Evolution
Mar 27, 2014
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