immortal genes

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immortal genes

Post by fandreea » Sat Nov 19, 2005 7:37 am

Regarding : Clones, genes and immortality - John Harris's book,
What do u think about the real immortality? Based on the fact that DNA replication is SEMIconservative, how old can be a piece of template DNA strand of ours ?
do we carry a piece of DNA from ancient people, our ancestors ?
Guess mainly mutations stay across.

Would like to hear your comments , thanks


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Post by mith » Sat Nov 19, 2005 2:29 pm

Let's a assume we're looking at our ancestor's dna. It doubles before meiosis and then it splits into 4. Well two of the strands would be old and 2 would be new,if their offspring happens to be fertilized with the new strand(50% chance) and that was the only offspring, the old template would be lost and only the copy is carried on..
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Post by weasteam » Thu Nov 24, 2005 1:18 am

That is a good point.

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