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Author Topic:   is the advancement of macro evolution without hick up?
Dr Jack
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Posts: 3514
From: Immigrant in the land of Deutsch
Joined: 07-14-2003
Member Rating: 8.7


Message 10 of 41 (548425)
02-27-2010 4:08 PM
Reply to: Message 7 by slevesque
02-27-2010 3:18 PM


Re: We Are All Mutants
I don't know where you got your numbers. But humans have between 300-600 point mutations per person per generation. Add to that all the other types of mutations and you have more then ''two three novel mutations ... not present in our parents''.
I'm pretty sure you're out by a factor of about 100 on these numbers.

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Dr Jack
Member
Posts: 3514
From: Immigrant in the land of Deutsch
Joined: 07-14-2003
Member Rating: 8.7


Message 11 of 41 (548426)
02-27-2010 4:10 PM
Reply to: Message 8 by Meldinoor
02-27-2010 3:23 PM


Re: We Are All Mutants
They all make glycine. So what is the effect of a point mutation changing GGA to GGU?
The tRNAs needed to translate GGA to glycine or GGU to glycine exist in differing quantities; altering the code can alter the expression rate of proteins.

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Dr Jack
Member
Posts: 3514
From: Immigrant in the land of Deutsch
Joined: 07-14-2003
Member Rating: 8.7


Message 15 of 41 (548431)
02-27-2010 4:20 PM
Reply to: Message 12 by slevesque
02-27-2010 4:12 PM


Re: We Are All Mutants
Hmm... it rather depends whether you're referring to simple changes in DNA, or concentrating on protein-coding genes.

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Dr Jack
Member
Posts: 3514
From: Immigrant in the land of Deutsch
Joined: 07-14-2003
Member Rating: 8.7


Message 17 of 41 (548435)
02-27-2010 4:26 PM
Reply to: Message 16 by slevesque
02-27-2010 4:24 PM


Re: We Are All Mutants
Try this one (estimate = 175)

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