BIOLOGY OF NATURAL AND FORCED MIGRATIONS

During past twenty thousand years, man has moved from caves to occupy all possible ecological niche: forests, mountains, river banks and sea shores. Man’s elastic adaptability is probably on account of architectural anthropology and blood genetics. Human Haemoglobin chains offer regulatory adaptability for reproductive biology by switching on and off regulatory genes during lifetime of each and every individual. Our haemoglobin chain configuration offers variable and flexible physiological adaptability (more so on account of HbF proportions in the adult blood). Practically, the evolution of blood physiology has inherently ensured physiological adaptability among all vertebrates, even among amphibians the proportion of gamma chains goes on responding to adaptive stresses. This paper on the basis of on going work reemphasizes on extensive studies to be carried out to understand influences of abrupt and natural migrations on changing patterns of foetal haemoglobin and adaptive significance among adults. Shifting of populations under compulsion may be increasing socio biological problems.