Analysis of the mammalian clades shows

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An analysis of the mammalian clades shows that there are three groups: monotremes, marsupials and eutherians. Monotremes are egg-laying mammals, which are an obvious outgroup compared to the other two. One major difference between marsupials and eutherians is in the development of a placenta (in fact, eutherian means "true placenta"). Propose how a molecular clock could be made by looking at syncytins, which are proteins required to form the placenta, for the divergence of marsupials and eutherians. Yes, both have these proteins.

Reference no: EM133935191

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