Here you will find resources to do your research in Bioinformatics, and related subspecialties. Bioinformatics is the collection, classification, storage, and analysis of biochemical and biological information using computers especially as applied to molecular genetics and genomics.
MeSH has the following:
Why Genetics and Genomics? The picture below says it all.
What a Chromosome looks like, and the parts
From DNA to protein
Structure of RNA