Skaloop
Agnostic atheist, pro-choice anti-abortion
- May 10, 2006
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But in the case of mtEve, she is the end of the rainbow --- the last of the line --- a full human.
Look at it this way --- take infrared, it has a range of so many Angstroms, but then add 1 hertz to it, and you have the weakest shade of red. Add one hertz to that, and technically you have another color, etc. Eventually you hit the color RED --- just RED --- then add one hertz to that and you have a darker red, etc.
To make a long story short --- from the longest wavelength to the shortest, each hertz is a different color.
Eve is the last "color", and she would have to have mated with those who were just 1 hertz behind her.
And that smacks of beastiality.
Nobody involved in the study of mtDNA says that mtEve was the first human. She is the earliest female human that they can determine is a common ancestor of a significant sample of modern humans.
It's like tracing back your family tree. I myself can trace mine back to 1676; before that, the records can't be found, and the trail ends. But that by no means suggests that my one relative we can find from 1676 is the first in my family line. Far from it, he is just the first record of our family that we can find in North America. His parents were back in France, that much we know, but who exactly they were we haven't figured out yet. It just means that it's as far back as we can trace at the moment.
And, as with mtEve, it also doesn't mean that my earliest known ancestor was the only ancestor alive at the time. There were several human females (and human males) around at the same time as mtEve.
I sometimes think that giving the name "Eve" to this earliest determinable female ancestor is one of the biggest naming errors ever, in that it suggests that the finding is in some way related to the Biblical Eve, misunderstood by many such as yourself to mean that mtEve is the first and, at the time, only human female.
As for the colour analogy, perhaps a difference of one Hertz does make a different colour. But a difference of one millihertz or one nanohertz is unnoticable. I could take you through red to blue, at one nanohertz at a time, and you would never know the difference between one step and the previous step.
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