when collecting data from genetic crosses which gene pair is most likely to show the highest frequency of recombination?

Why is excretion necessary to maintain homeostasis?

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.