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Dominant / recesive phenotype

Genetics as it applies to evolution, molecular biology, and medical aspects.

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Dominant / recesive phenotype

Postby Nad on Mon Jul 14, 2008 1:50 pm

Hey all,

Fact:
A heterozygote with alleles Rr, express the dominant phenotype determined by "R".

Question:
At molecular level , what cause "R" to be expressed and not "r" ? How is the allele corresponding to the dominant phenotype selected for expression ? Why it, and not "r" ?


I am merely a bio enthusiast, so please excuse me if the answer is obvious for you guys.
Nad
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Postby mith on Mon Jul 14, 2008 5:34 pm

do a forum search, already answered
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Re: Dominant / recesive phenotype

Postby Nad on Mon Jul 14, 2008 6:55 pm

Good paper you pointed out in that old thread mith, thanks. Exactly what I was looking for.
Nad
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Postby Cat on Mon Jul 14, 2008 10:27 pm

Look here:

http://science-ed.fullsubject.com/1-on- ... ve-t16.htm
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