article_snippet.sent: To discover why the flowers developed the flowers distinctive lips, researchers  from National Chung Hsing University in Taiwan studied the expression of a class of genes known to be associated with petal development.
article_snippet.sent: To discover why the flowers developed the flowers distinctive lips, Chang-Hsien Yang and Chang-Hsien Yang colleagues from National Chung Hsing University in Taiwan studied the expression of a class of genes known to be associated with petal development.
article_snippet.sent: The experts studied the expression of a class of genes known to be associated with petal development.
highlights_snippet.sent: By tweaking Researchers in Taiwan, Researchers in Taiwan can convert the lip into standard petals again .