| Re: Logic vs. Rhetoric: Creationists have a point |
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Group: alt.philosophy · Group Profile
Author: SkyEyesSkyEyes Date: Jun 27, 2008 16:12
>> Further, point mutations to single-copy genes do not represent
>> a loss of genetic information; they represent a change in
>> existing information. Â And they do not inevitably
>> "lead to a lower life";
>
> two head turtles, snakes, a little girl with 4 arms and 4 legs.
> Can she run faster or do the dishes faster? Â No. Â All mutations
> bring with them complications, not higher life forms.
Sorry, but two-headed animals and the little girl with multiple limbs
are *not* genetic mutations. They are the result of incomplete
twinning (conjoined twins) or are parasitic twins (the little girl in
India with 4 arms and 4 legs). Conjoined twins happen when a
fertilized egg splits incompletely. Parasitic twins are a related
phenomenon. According to Wikipedia:
"Parasitic twins occur when a twin embryo begins developing in
utero, but the pair does not fully separate, and one embryo maintains
dominant development at the expense of the other. Unlike conjoined
twins, one ceases development during gestation and is vestigial to a
mostly fully-formed, otherwise healthy individual twin. The
undeveloped twin is defined as parasitic, rather than conjoined,
because it is incompletely formed or wholly dependent on the body
functions of the complete fetus."
I say again: crack a science book. You are *woefully* ignorant about
biology.
Brenda Nelson, A.A.#34
BAAWA Knight
EAC Professor of Feline Thermometrics and Cat-Herding
skyeyes nine at cox dot net
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