Which environmental factor could lead to a decrease in genetic variation in a population of tuna?

What are the types of genetic recombination

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

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.