Must be 1500-2500 words and BE VERY DETAILED AND IN ESSAY FORM and don't forget to work cited. 

Discuss the value of each of the following characters for use inphylo genetic inference:

1. Identity of nucleic acids at third positions in a codon triplet,
2. Nucleic acid sequences in eukaryotic introns,
3. Surface proteins in viruses,
4. Numbers of flower parts in angiosperms,
5. Presence of alkaloids in leaf tissues of angiosperms,
6. Diversity of hemoglobin types within an individual organism in tetrapods,
7. Presence or absence of specific recombination factors in bacteria,
8. Relative limb length (limb length relative to body size) in tetrapods.