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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.

Can I get custom ratios of random (mixed, degenerate) bases incorporated?

IDT offers two types of randomization, standard mix and custom mix. Standard mix bases are charged at the standard base price for the scale ordered. Custom mixed bases  provide custom ratios of the desired mix of bases and incur additional fees.

For more details and ordering formats, see Mixed bases.

Custom DNA & RNA