Simple Pedigree Analysis

Pedigrees are diagrams that chronicle the phenotype/genotype of organisms over multiple generations. They can be used to determine the mode of inheritance of a particular disease as well as determine the probability of a future offspring inheriting it.

Do I or Do I Not Express B-Galactosidase?

The lac operon has been covered in another post along with the possible scenarios you could encounter. But what happens to B-galactosidase expression, permease expression and trans-acetylase expression if you have an extrachromosomal F’ factor episome that carries another lac operon? Well, not to fear! I will guide you through a sample problem giving you a systemic method to solve these types of problems.