Browsing Tag
Evolutionary genetics
3 posts
The Unique Evolutionary Path of Lycophytes in Plant History
A group of international researchers has made a noteworthy discovery in lycophytes, plants closely related to ferns and considered among the oldest land plants. Published in the journal PNAS, their study unveils an extraordinary genetic phenomenon: these plants have retained a remarkably consistent genetic structure for more than 350 million years, representing a notable departure from the typical patterns observed in plant genetics.
Our Ancestral DNA Tells Us Who We Are!
In a series of groundbreaking research articles published in Nature, scientists delve into the genetic imprints and geographical roots of human diseases, reaching far into our ancient past. These comprehensive analyses not only paint intricate portraits of prehistoric human diversity and migration but also put forth a compelling explanation for the surge in genetic susceptibility to multiple sclerosis (MS).
Marine Snails Reveal New Insights into Evolutionary Transitions
Biologists have resolved a long-debated question regarding evolutionary transformations, finding that substantial changes, such as the development of flight, vision, and live offspring bearing, occur gradually rather than through dramatic "monster" steps. This discovery provides crucial insights into the incremental processes that drive significant innovations in the natural world.