Since each position can have one of ACGT, there can be 4^99 different ways to make one.

Liked this answer? Tell your friends about it

Comments About This Answer

Add your comment
 
Hugo Flaxman Kumar

That would be a little over 401.7 octodecillion (American numbering system), that number contains 60 decimal digits.

Add Your Comment (or add your own answer)
Insert: