John Barnabas
Articles written in Journal of Biosciences
Volume 2 Issue 4 December 1980 pp 369-378
Evolutionary trends in the hemoglobins of murine animals
P G Pratap J Nandi John Barnabas
The evolutionary origin of murine line based on a phylogenetic tree made on sequence data of ∞-and β-hemoglobin chains, followed by the diversity spectrum of hemoglobin genes in two wild species of murine rodents:
Volume 12 Issue 3 September 1987 pp 165-174
Shama Barnabas R Usha T N Guru Row John Barnabas
A best-fit α-globin phylogeny was identified by means of a global minimization approach from among the topologies generated by a parsimony strategy. Zip parsimony method was used to derive a set of near-parsimonious trees. For each of these topologies, a difference matrix was computed; and the topology with the best goodness of fit with the original matrix was retained as the best tree. Based on this phylogenetic scheme inter-relationships among eutherian orders and the evolutionary development of primates has been discussed.
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