Question

Chromosomes are made up of a) DNA and protein b) DNA only c) DNA and RNA d) RNA and protein

Answer 1

Chromosomes are made up of DNA and proteins. Now to be precise, chromosomes are made up of DNA molecules coiled tightly many times around proteins (called histones) which supports its structure. 

Answer 2

chromosomes are made up of
a).DNA and proteins.
if correct then please mark as brainliest.