within which structure in the human body does specialization of parts of the developing a baby take place? PLEASE HELP

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.

Which feature would you expect to find in a population in which sexual selection depends on male competition?

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.