This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Biology Techniques, Subject name: Biochemistry
Study of structure and products of gene is: 
Select and explain. 
A. Genomics, B. Proteomics, C. Bioinformatics, D. Cytogenetics
A: Genomics
Answer: A: Genomics 
Explanation: Ans. A. Genomics(Ref: Harper 30/e page 98,99)Bioinformatics: The discipline concerned with the collection, storage, and analysis of biologic data, mainly DNA and protein sequencesGenome: The complete set of genes of an organismGenomics: In depth study of the structures and functions of genomes.Transcriptome: The complete set of RNA transcripts produced by the genome during a fixed period of time.Transcriptomics: The comprehensive study of transcriptome.Proteome: The complete compliment of proteins of an organism.Proteomics: The systematic study of structures and functions of proteomes and their variation in health and disease.Exome: The nucleotide sequence of the entire complement of mRNA exons expressed in a particular cell, tissue, organ or organism.