Date: January 29, 2014
Source: Universität Mainz
Summary: Novel or highly modified genes play a major role in the development of the different castes within ant colonies. Evolutionary biologists came to this conclusion in a recent gene expression study by looking at the question of how the different female castes arise. An ant colony generally consists of a queen and the workers. Moreover, workers can differ depending on the task they perform, such as brood care, foraging, or nest defense.
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