Pls help asap best answer get=s brainlest

What do scientists need to look at before developing an argument

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled