Interphase and ploidy

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TuAst
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Interphase and ploidy

Post by TuAst » Sun Nov 18, 2007 10:49 pm

Hi folks!

First of all, great forum!
I have a question which I know is stupid, but I have to aks none the less, because it's been bugging me a lot.

Why are cells in interphase (before S-fase, eg right after mitosis) called diploid cells??? As far as I know, diploid means double set of chromosomes. Is there a double set of chromosomes in eg somatic cells? Because I thought that during anaphase a chromosome was separated into two one-chromatide chromosomes and that "double set" ment a two-chromatide chromosome.

Would appreciate any help here!

TuAst

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mith
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Post by mith » Mon Nov 19, 2007 12:39 am

Diploid is in comparison to the gamete. After the S-phase, you have double the double, 4X DNA compared to gamete.
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