Diagonal

... (whereas the Southern Black Widow's hourglass is complete) and typically there is a row of red spots down the middle of the back and possibly some diagonal whitish bands on each side; the bands are typically observed on the younger, more juvenile widows" Case closed.

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... then placed in the matrix when the two sequences share an identical site. - If the two sequences are identical, there will be entries in all the diagonal elements of the matrix. - If the two sequences are similar and of the same length (can be aligned without gaps) there will be dots in most ...

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... then placed in the matrix when the two sequences share an identical site. - If the two sequences are identical, there will be entries in all the diagonal elements of the matrix. - If the two sequences are similar and of the same length (can be aligned without gaps) there will be dots in most ...

See entire post