This document covers codominance, what is it ect, gel electrophoresis and the basic types. DNA microarray and what they are used for and when they should be used, why microarray they would be useful for understanding diseases. Sanger sequencing, how it works, what it is and how long does it take. Transgenic organisms, examples and what they are used for. Dihybrid crosses, what they are and the cross of parent generation. ( explain for the diagram). Abo blood groups. What they are (explained wit...