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.

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What is the length of synthetic/custom genes that IDT can synthesize?

gBlocks™ Gene Fragments—sequence verified double-stranded DNA—are available from 125 to 2000 bp, MiniGene™ Synthetic Genes are available from 25 to 500 bp, and Genes, start at 501 bp. MiniGene and Genes products are supplied cloned into IDT vectors. For additional information on synthetic biology products, email