Chromosomes are coiled structures made of DNA and proteins, and dNA is deoxyribonucleic acid. Given these facts, chromosomes are coiled structures made of proteins and what among the following options:
- solid, liquid, gas
 - density
 - Something that causes allergies
 - deoxyribonucleic acid
 - It helps them survive
 - inheritance
 - blood cells
 - allow growth


 

    deoxyribonucleic acid     