Home » Biology mcqs » The basic structural unit of a chromosome is____________?The basic structural unit of a chromosome is____________? by A. The centromere B. Nucleosome C. Telomere D. Histone Related Posts:Which one is the basic element of organic compounds…Second largest phylum of invertebrates is____________?Initial pH of food vacuole during digestion in…The single main opening of the sponge cavity is____________?