# FAQ

Microarray > General > FAQ

* [Are tip guides required for Tecan/IAPS with ILASS?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009625)
* [Can Infinium BeadChips that have been frozen still be used?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000005924)
* [Can Infinium reagents be freeze thawed?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000006651)
* [Can PGx Microarray Analysis be run without interpretation if interpretation has been quoted?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000007146)
* [Does DRAGEN Array have a Call Rate limit to estimate gender?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009191)
* [How is the Reproducibility Frequency calculated in GenomeStudio?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009677)
* [How long can bisulfite converted DNA be stored in 20°C for use in Infinium Methylation arrays?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000006515)
* [How to format file path for DRAGEN Array IDAT sample sheet and GTC sample sheet for Windows OS](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000008510)
* [How to select GenTrain version in GenomeStudio 2.0](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009170)
* [Infinium Assay Modifications for FFPE samples for Genotyping Arrays](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000006007)
* [Is a sample sheet required to run DRAGEN Array?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009345)
* [Is it possible to add or remove fields in DRAGEN Array Cloud Genotyping Final Report?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009460)
* [What GTC files can be used with DRAGEN Array Local?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000008555)
* [What is the correct order of addition of Infinium Amplification reagents?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000005874)
* [What is the expiration timeline for Infinium BeadChips?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000007091)
* [What is the limit of detection for LOH/AOH for the CytoSNP 850K array?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000006024)
* [What size fragments of DNA are generated after the Fragment DNA step of the Infinium Assay?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000005837)
* [Where to find iScan and Tecan serial number stickers in the instruments?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000009652)
* [Which Infinium BeadChip types can be scanned using the NextSeq 550?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000003871)
* [Which fluorometric quantification method to use for quantifying input DNA for the Infinium Assay?](https://knowledge.illumina.com/microarray/general/microarray-general-faq-list/000008332)