True or false the typical X shaped chromosomes is the result of DNA replication​

False.

Explanation:

Chromosomes are often observed and depicted as X-shaped structures. DNA takes this form following DNA replication during the process of cell division when the two replicated chromosomes, called chromatids, are highly condensed and still attached to one another at a point called the centromere.

c.muti cella's eukaryotic organisms began to diversify

i believe your answer would be c.. : )