Amajor unit of the genetic code is called a(n)

A major unit of the genetic code is called a Chromosome. Chromosome consist of lines of Protein structure and Nucleic acids that could be found in our nucleus. Each structures that carried out by the chromosomes carried out the Genetic information that will be replicated and trasnferred when two individuals create an offspringHope this helps. Let me know if you need additional help!

B is correct I had this question too!