Question

in which structure is all the genetic information of an organism found?
dna
gene
codon
protein

Explanation:

DNA (deoxyribonucleic acid) contains all the genetic information of an organism. Genes are segments of DNA, codons are triplets of nucleotides in mRNA (derived from DNA) and proteins are the products of gene - expression, not the carriers of all genetic information.

Answer:

A. DNA