Re: South Carolina's Turn to Teach the Controvesy
- From: "Ken Denny" <ken@xxxxxxxxxxxx>
- Date: 29 Jun 2006 06:04:18 -0700
Nashton wrote:
Here's one for you.
Explain the eta-globin "pseudogene's" persistence *unchanged* for tens
of millions of years in a lineage, given the great cost to the species
for maintaining them unchanged.
First of all there is no great cost to the species for maintaining this
pseudogene. The genome contains thousands of pseudogenes, none with a
cost any higher than any other.
The fact that the pseudogene is the same in humans and chimps supports
evolutionary theory. Why would humans and chimps share a bit of unused
genetic code unless they both inherited it from a common ancestor?
.
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