Today, researchers have uncovered the genes behind the growth of feathers and scales in birds and reptiles, respectively. This is a major breakthrough in the field of evolutionary biology, as it has been a mystery as to why some animals have feathers and some have scales. By uncovering the genetic basis of feathers and scales, scientists can gain a better understanding of the evolution of these traits. This research has implications for a variety of fields, from medicine to conservation. Additionally, it has opened up a new field of study into the relationship between feathers and scales.

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source: Phys.org