Word: beak
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Abzhanov said that the next challenge is for researchers to explain the genetic origins of the higher order transformations that account for the differences in beak shapes above the species level...
...team found that the link between genotype and phenotype—as it relates to beak shape—is much simpler than previously thought, with beak length, depth, and width each controlled by a single gene...
...addition, the order of the mathematical transformations necessary to create the different beak shapes and sizes corresponds to the taxonomical differences between the birds themselves...
Using a number of different analytical techniques, the team sorted 14 seemingly disparate beak shapes into three broader categories...
...might think passengers taking off or landing at Charles de Gaulle Airport would feel unsettled seeing a supersonic Concorde jet mounted on a steel frame alongside the runway, with its needle-like beak pointed upward in take-off position. After all, just such a Concorde plane crashed in a ball of fire nearly 10 years ago, less than two miles (3 km) from where the mounted jet now stands. It was an event that doomed the world's fastest-ever passenger jet - an aircraft designed by French and British engineers - to a future as a museum relic...