Genetic study of skinks suggests extreme matrotrophy evolved only once in Africa

(Phys.org)—A team of researchers with Villanova University in the U.S. and associates from South Africa, Germany and Switzerland has found via genetic study that extreme matrotrophy evolved just once in African mabuyine skink. In their paper published in the journal Biology Letters, the researchers describe how they ventured to Zambia and Angola to obtain skink samples and then conducted DNA tests on them to create family trees which allowed them to learn more about the evolutionary history of matrotrophy in skinks.

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