Question

question 10 of 10
which phrase best describes the makeup of a chromosome?
a. short segments of genes, called nucleosomes
b. thick strands of a material, called chromatin
c. many clusters of proteins, called chromatids
d. several dna molecules, called centromeres

Explanation:

Chromosomes are made of chromatin, which is DNA - protein complex. Nucleosomes are parts of chromatin structure, chromatids are two identical copies of a replicated chromosome, and centromeres are regions of a chromosome.

Answer:

B. Thick strands of a material, called chromatin