Question

what is the chemical structural unit of chromosome?​

Answer 1

Answer:

I think neucleosome is the correct answer

Answer 2

In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. Chromosomes are made of 50% proteins, and 50% DNA (deoxyribonucleic acid).