Gene Drives Quick Evolutionary Changes in Darwin's Finches

The gene HMGA2 affects body size in humans, horses, dogs and other animals, but how it works is a mystery, other than the fact that it produces ...

Gene behind 'evolution in action' in Darwin's finches identified

The proportion of the two forms in the birds' genome changed as a result of the better survival of birds with small beaks. Peter Grant likened ...

Researchers Discover Genetic Key To Rapid Evolution Of Darwin's ...

Variations in these gene regions did not occur from recent mutations but instead accumulated over time, as different species of Darwin's finches ...

Ancestral genetic variation essential for rapid evolution of Darwin's ...

"We were surprised that these gene variants were also present among other types of Darwin's finches implying that they have a longer ...

Evolution of Darwin's Finches Tracked at Genetic Level

Today in Science, they report a different gene that controls beak size. Shifts in this gene underlay an evolutionary change that researchers ...

For Darwin's finches, beak shape goes beyond evolution

On the Galápagos, finches evolved based on different food sources — long, pointed beaks served well for snatching insects while broad, blunt ...

Galápagos Finches: A Case Study in Evolution or Adaptive ...

Evolutionists claimed that nature was somehow selecting and driving the birds' thickening beaks, giving Darwin's theories a seemingly real-life ...

Genome study reveals 30 years of Darwin's finch evolution - Phys.org

Using the genomes of all the finches on Daphne, the researchers show that this results from genes transferring from the Small Ground-Finch ...

Natural Selection and the Evolution of Darwin's Finches

When two groups within one population become geographically isolated, genetic changes in one group will ... this variation is strong, then evolutionary change can ...

Darwin's Finches - an overview | ScienceDirect Topics

Darwin [1] suggested that the many species of finches on the Gálapagos Islands originated from a single colonization event and subsequent adaptive evolutionary ...

Rapid evolutionary changes in gene expression in response to ...

There is now abundant evidence of rapid evolution in natural populations, but the genetic mechanisms of these changes remain unclear. One ...

Beaks, Adaptation, and Vocal Evolution in Darwin's Finches

Daughter populations invariably evolve genetic differences, through a combination of genetic drift and adaptation to distinct ecological environments. These ...

Darwin's finches are pecking their way through evolution

Scientists have identified a gene linked to beak size in finches in the Galápagos, including the medium ground finch (Geospiza fortis).

Rapid adaptive radiation of Darwin's finches depends on ancestral ...

Admixture mapping for beak and body size in the small, medium, and large ground finches revealed 28 loci showing strong genetic differentiation.

Darwin's Finches Reveal Role of Genes in Evolution - WSJ

In their fieldwork, the Grants noticed that individuals of two different finch species would sometimes pair off, a process known as ...

Genome study reveals 30 years of Darwin's finch evolution

Their work demonstrates that the finches of Daphne Major evolved in response to changes in the environment and interactions among species. Now, ...

Genetic diversity couldn't save Darwin's finches

A study by the University of Cincinnati found that Charles Darwin's famous finches defy what has long been considered a key to evolutionary success: genetic ...

What Darwin's Finches Can Teach Us about the Evolutionary Origin ...

Key factors in their evolutionary diversification are environmental change, natural selection, and cultural evolution. A long-term study of ...

Darwin's finches as an exceptional model of natural selection

The Genetic Basis of Stuff and Things · An a-MAIZE-ing story about family, corn and sweet, sweet evolution · Galapagos Finch Evolution — HHMI ...

Evolution of Darwin's finches caused by a rare climatic event

We show that Darwin's finches on a Galapagos island underwent two evolutionary changes after a severe El Nino event caused changes in their food supply.