Science news articles about 'evolutionary event'

A single evolutionary event appears to explain the short, curved legs that characterize all of today's dachshunds, corgis, basset hounds and at least 16 other breeds of dogs, a team led by the ...

... he calls them "architectures" – which he suggests offer a reliable record of evolutionary events. All proteins contain domains that can be identified by their structural and functional similarities ...

... of genomic imprinting exists in lower vertebrates and genomic imprinting should not be considered as a unique evolutionary event of mammals. The study is reported in volume 54 (Issue 8, April, 2009) ...

... analysis to genomic studies to better understand the role multi-domain proteins play in important evolutionary events, such as the emergence of multicellular animals and the vertebrate immune system.

... complex, 'big' synapses occurred before the emergence of large brains, it may be that these molecular evolutionary events were necessary to allow evolution of big brains found in humans, primates and ...

... years. Their analyses highlight the difficulty in using molecular data to infer the timing of evolutionary events, and suggest that new strategies may be necessary in using DNA sequence "barcodes" ...

... million years ago--are revealing how this major evolutionary event happened. A new study, published ... think of this transition of the neck and skull as a rapid event," said study author Neil Shubin, PhD ...

... you what time of day it is. But a molecular clock does tell time -- on an epoch scale. The molecular clock, explained S. Blair Hedges, is a tool used to calculate the timing of evolutionary events.

... better quality of life for billions." To conduct this analysis, the authors attempted to recreate the evolutionary events leading to the spontaneous origin of bread wheat in nature. To do this, they ...

... had previously been put into one genus but are now determined to represent two separate evolutionary events; they belong in two different genera, Josia and Lyces. "This Bulletin takes a previously ...