World Journal of
Pharmaceutical and Life Sciences

THE EVOLUTIONARY BIOCHEMICAL THEORY ON SKIN PIGMENTATION IN HOMO SAPIENS

S. S. Sawhney*

ABSTRACT

Introduction: Skin pigmentation in Homo sapien has been a grey area which has grown in recent times demanding, a dig deep in order to conclude positively what causes Homo sapien skin pigmentation. The proposed Genetic Theory by Davenport thereon has become controversial and debatable: The aim of this study is to prove or disprove it, and to evolve or develop a new concept or theory thereon skin pigmentation in Homo sapien. Methods and material: The past study on DNA,and of Sawhney on skin depigmentation in Homo sapien at tropics have been based upon to study on skin pigmentation in Homo sapien. Results: The results of the present study shows that the Davenport Genetic Theory on skin pigmentation in Homo sapien does not fit into the concluded data and analysis thereon. The data clearly show that it is the evolutionary biochemical concept, arrived at on skin pigmentation in Homo sapien,which stands justified, in preference to Davenport Genetic Theory on skin pigmentation in Homo sapien. Conclusion: The skin pigmentation in Homo sapien has been concluded as the evolutionary biochemical phenomenon with the centrality of sun at tropics and the epidermal vitamin K threshold, pre- braced up by Nature at pre-natal level in skin organ of Homo sapien.

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