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I cromosomi

I cromosomi sono pacchetti addensati di DNA formato da due copie identiche di molecole di acido nucleico, che formano i due bracci della x, detti cromatidi.

Ogni cellula umana contiene 46 cromosomi (23 coppie di omologhi), tranne le cellule sessuali, che ne contengono solo 23.

#3

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Dna & RNA

By Luca