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Biologia Molecolare Computazionale

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SP scores: problema<br />

A A C T G G<br />

A A C T G G<br />

A A C A G G<br />

A A C T G G<br />

A A C T G G<br />

+10 +10 +10 +2 +10 +10 =52<br />

◮ Per N sequenze una colonna di T vale N(N−1)<br />

2<br />

◮ Un singolo mismatch costa N − 1<br />

◮ Costo relativo di un singolo mismatch: 2/N: decresce<br />

all’aumentare di N<br />

Over-counting of evolutionary events

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