Which statement best describes the structure of a chromosome?
a.
a chromosome is a series of nucleotide bases that codes for a specific protein.
b.
a chromosome is the entire set of genetic instructions for a eukaryotic cell.
c.
a chromosome contains two copies of each allele possessed by an organism.
d.
a chromosome consists of multiple genes that code for inheritable traits.

Your best bet is most likely going to be B

A Chromosome holds part or all of the genetic material of an organism. It also  includes packaging proteins which, aided by chaperone proteins, bind to and condense the DNA molecule to prevent it from becoming an unmanageable tangle.

So yes your best bet is B.

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