as i cloned promoter region in topo vector but somehow only 18oobp region was cloned instead of 2000bp
Was the band you cut out of your gel definitely 2kbp long? have you checked other colonies?
How did you initially check your TOPO clones? Keep in mind that if you do PCR with the M13F and R primers those sites are offset from the MCS and will add 200 bp of length to your fragment.
Robert Adolf Brinzer Thak you! yes, I did. Amy Klocko Thank you.
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