9. Are the chromosomes in these pairs similar or identical? Explain."

A. They are identical because homologous chromosomes are created in DNA replication.

B. They are identical because they contain the same genes and the same version of
those genes.

C. They are similar because both chromosomes in a homologous pair come from the same parent.

D. They are similar because they contain the same genes, but not always the same version of those genes​