Which of the following is the best definition of a gene?

a. a specific segment of dna on a chromosome
b. the dna found in gametes
c. all of the dna the makes up a chromosome

The statement that describe gene and how it is interrelated to DNA is

C: all of the DNA the makes up a chromosome

A gene can be regarded as the  basic physical as well as functional unit of heredity. Some genes act in way produce a molecules of proteins, even though not all the gene can code for proteins. It is a  specific sequence of nucleotides present in DNA or RNA and this is usually  found on a chromosome, it is been referred to as functional unit of inheritance.It control the transmission as well as  expression of traits through  specification of  the structure of a particular polypeptide.

Therefore, option C is correct.

Learn more at:

link