Local alignments are more used when _____________
(a) There are totally similar and equal length sequences
(b) Dissimilar sequences are suspected to contain regions of similarity
(c) Similar sequence motif with larger sequence context
(d) Partially similar, different length and conserved region containing sequences
I had been asked this question in an international level competition.
The question is from Local Sequence Alignment in division Sequence Alignment of Bioinformatics