One of the main disadvantages of ClustalW/progressive alignment is that:Question 25 Select one:a.It does not allow for any gaps in the alignmenta. It does not allow for any gaps in the alignmentb.It can only be used for sequences that are at a similar level of relatednessb. It can only be used for sequences that are at a similar level of relatednessc.It is relatively slow method of multiple sequence alignmentc. It is relatively slow method of multiple sequence alignmentd.If an error is introduced early in the alignment, it cannot be removed at a later stage