Thursday 19 June 2014

Evolutionary biology: Why cattle, pigs only have two toes

Date:
June 18, 2014

Source:
Universität Basel

Summary:
During evolutionary diversification of vertebrate limbs, the number of toes in even-toed ungulates such as cattle and pigs was reduced and transformed into paired hooves. Scientists have identified a gene regulatory switch that was key to evolutionary adaption of limbs in ungulates. The study provides insights into the molecular history of evolution.


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