In complementary base pairing

Which of these conditions is NOT among the requirements of the Hardy-Weinberg equilibrium of allele frequencies in a population?

If early Viking explores in Greenland and North America had survived and become the main ancestors of early North American settlers, rather than the mixture of immigrants from across Europe and other continents, today there would be a much higher incidence of Nordic traits in the U.S. population. Such a scenario would demonstrate

Nucleotides contain all of the following except ___.

Ecology is the study of body function. 

Cutting the tails off of mice for several generations should cause the tails of their offspring to become shorter.

The sugar in RNA is glucose.

Most bacteria on earth cause disease.

If a strand of DNA has the sequence AAGCAA, it replicates a new strand of DNA with the bases ___.

The cyanobacteria are photosynthetic.