The angle of evolution is the theory of natural selection, and each species has a specific color and eye point to adapt to a specific environment. Specifically, it can be mimicry (imitating leaves, flowers, etc. ), such as cabbage butterfly; You can also be alert (I'm poisonous, so don't eat me), such as Taiwan Province Spotted Butterfly, Wangdie, and most kinds of Nymphalidae are poisonous. Explain how these eye spots are produced and what genes are regulated at different developmental stages from the perspective of development. Suzanne et al. studied the expression and mutation type of the pulseless gene in butterfly B. anynana [2]. Long et al.' s 2002 paper [3] revealed the role of distal -less gene in the formation of butterfly eye spots, including distal -less, Antp, Hox, Notch, spalt and so on.

No remote gene was first discovered in Drosophila. These genes are very conservative in evolution, and their expression levels are different in butterfly larvae, pupae and adults. The formed network regulates the formation of butterfly wing patterns, which explains the genetic mechanism of this trait. Many people are naturally interested in whether the patterns of butterfly wing eye points and panda color blocks follow the same law-Turing equation. Of course, the Mophologen system in Turing's paper may have no far-end and gap [6]. Turing has too many fans. A small experiment based on Turing equation to simulate the color generation of butterfly wings entered the experimental classroom of high school. I have to mention Professor Fred Niehuth [8] and Professor Sean Carroll [9] who work in Duke University and University of Wisconsin respectively. They have studied butterflies for more than 30 years [10], and studied many important issues in developmental biology, such as symmetry, allometric growth, morphogenesis, signal network and so on. You can feel how a scholar develops his personal interest in loving butterflies into a lifelong academic interest.