This a very clear misrepresentation and a half truth look of how evolution through the process of natural selection occurs throughout long periods of time. Putting aside the fact of ice age like iistances, even from Darwins initial theory, it accounts for these instances. It's taught like this.
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Now, the starting point is A but this is not referring to a creation point, this is just an estimated point to start from based on the most recent evidence that we have of our biological beginnings. What ends up happening is we find something even older and it begins a new start point. So our original A ends up looking like a^5 on the diagram.
More specifically to what we have found is like this...
Say we are K8 the closest we match in DNA wise is, lets say, A6. We have the same common ancestor 8 generations back but a bunch of other in-between. What this discovery is actually saying is the we found something more closer to use like M4.
It important to understand this principles basics to know what we are discovering here. It's also worth pointing out that Michael Guillen, PH.D is a re-known author known to try to link his faith with science. I'm not trying to take away his credentials, achievements and hard work away from him but this is a clear example of letting your faith interrupt the evidence that is put before you, which he's been known to do before. Which, if you research, he uses his credentials for more publicity reasons then using it to publish reviewed papers.