. The first four lanes (reading left to right) in correspond with sequencing reactions (for a single template) supplied with ddA, ddC, ddG, and ddT, respectively. What is the DNA sequence indicated by...

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The first four lanes (reading left to right) in correspond

with sequencing reactions (for a single template) supplied with ddA, ddC,

ddG, and ddT, respectively. What is the DNA sequence indicated by these

four lanes?

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Assume that we are given sequences composed of independent

letters of uniform probability. Two sequences overlap by three letters in two

different configurations. Show that the probability of at least one three-letter

exact overlap is

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