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Frequently asked questions

Our Scientific Applications Support team has assembled a list of frequently asked questions to help you find answers quickly. Filter using one or more categories to focus on specific topics, or use the search bar to perform a text search.

What is the difference between a gBlocks™ Gene Fragment and an eBlocks™ Gene Fragment?

Here is a comparison of gBlocks and eBlocks Gene Fragments:

  gBlocks Gene Fragments eBlocks Gene Fragments
Double-stranded DNA
Stringent QC process
• Median error rate
• Synthesis & assembly

May rework to meet QC standards

No rework
Format Plates or tubes  Plate
Length 125–3000 bp  300–900 bp 
Shipping time Fast  Faster 

† Any eBlocks fragment that does not meet QC standards after the first attempt will be cancelled and refunded.