Which option(s) correctly describes chromosomes? Select one:

Chromosomes consist of tightly coiled DNA wrapped around proteins called histones.

Each chromosome has one gene.

Chromosome pairs contain completely different genes.

Most human cells have a single chromosome.

most human cells have a single chromosome

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.