Welcome to ChromDB

Three types of sequences are included in the database: genomic-based (predominantly plant sequences); transcript-based (EST contigs or cDNAs for plants lacking a sequenced genome); and NCBI RefSeq sequences for a variety of model animal organisms. The Gene Record Page for any sequence indicates the type of sequence. Click on the names of the organisms presented below to see examples of these sequences.


Genomic-based Transcript-based RefSeq-based
Corn (Zea mays) Wheat (Triticum aestivum) Zeke (Homo sapiens)

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