Bio Informatics Question:

What is e value?

Answer:

Expectation value. lower the e value more significant is the
match. it gives the statistical significance of a match to
signify whether a match has taken by chance alone or not.

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How is the respiratory system applied to the sport paintball?	Suppose you used the NCBI Blast server to look for a match to a fruit-fly gene. Suppose further that the best alignment contained this section of an alignment: Hit from database: XXXXXXXXXXXXXXNFSTSQ user sequence: SLEAEAAPASISPSNFSSSQ What do the Xs signify?