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Re: the tonight show



Dinogeorge@aol.com wrote:

> All modern birds are equally closely related to Velociraptor, since they
> share the same most recent common ancestor. That is, the common ancestor of
> any modern bird and Velociraptor is the same species as the common ancestor
> of any other modern bird and Velociraptor.

Is this correct? Consider four creatures, A, B, C, and D.

A --> B --> C

and 

A --> D

Both C and D have A as their most recent common ancestor, but because B
interceded, C may, or may not, be more closely related to A than D.

Or, no?