I think if you see these videos beside reading, you can easily understand thebasic knowledge of Molecular Genetis.
Genetics of Viruses & bacteria
Bacterial genetics
Lytic Cycle
bacterial genetic transfer
Bacterial conjugation
Tranpons,congugation of bacteria
Chromosomal mutation
Chromosome,Chromatin,Dna
Crossing over
DNA mutation
Dna recombination
Recombination of DNA
Frameshift mutation
Gene lineage
Relations between dna,gene,allele
Lac Operon_1
Lac Operon Model
Lac Operon 2