Answer:
B On genes within chromosomes
Step-by-step explanation:
All information about a cell are encoded in the genes within the chromosomes. A gene is the smallest unit of hereditary in every living organisms. They contains information about the genetic make up of every life.
Genes are made up of deoxyribonucleic acids.
Genes are usually made in pairs which are homologous and code for each of the character states in an organism.
They are usually passed from parents to offspring. They make it possible for traits in parents to be handed down to their offspring.