The genetic switch behind the butterfly's enhanced visual world of color
Researchers at UC San Diego have identified the genetic switch that allows butterflies to possess a ninth light-detecting cell in their compound eyes. This evolutionary adaptation provides butterflies with superior color vision compared to other insects, aiding in nectar collection and mating.
Why it matters
Understanding these genetic mechanisms provides deeper insight into evolutionary biology and the development of complex sensory systems in nature.
by Mario Aguilera, University of California - San Diego
edited by Lisa Lock , reviewed by Robert Egan
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility:
Add to Preferred Sources Credit: Pixabay/CC0 Public Domain Many insects see the world through hundreds of tiny lenses that are grouped together in a visual organ known as the compound eye. Behind each lens sits a cluster of eight light-detecting cells arranged in a pattern that scientists believe has existed for hundreds of millions of years.
Butterflies are the rare exception. They are equipped with nine light-detecting cells, which gives them the ability to visually navigate a much richer world of color than insects such as flies and allows them to locate nectar and potential mates.
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