What is another word for expression study?
Pronunciation: [ɛkspɹˈɛʃən stˈʌdi] (IPA) 
Expression study refers to a form of research which involves analyzing or evaluating the patterns, quantities, and functionality of gene expressions in cells, tissues, organs, or organisms. However, the term has several synonyms that can be used interchangeably to capture the same meaning. Alternative terms for expression study include transcriptomics, gene expression profiling, transcript profiling, and expression analysis. Transcriptomics refers to the study of RNA molecules produced from DNA sequences, while gene expression profiling is the detection and measurement of gene expression levels in cells or tissues. Transcript profiling and expression analysis are used to identify patterns or changes in gene expression that occur due to different genetic, environmental, or developmental factors.
