To draw valid conclusions , it needs careful selection of a sample that is representative of the group as a whole. Every study and research requires sample and it can be selected in different ways. I. Probability sampling involves random selection, allowing to make statistical inferences about the whole group. There are four main types […]
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I.9.7 Adaptation, adaptability and acclimatization in human being
Every organism including human being responds to structural and functional characteristics of its environment through adaptability which in turn results into better survival and evolution. Charles Darwin and Alfred Wallace (1858) famously proposed that positive selection could explain the many marvelous adaptations that suit organisms to their environments and lifestyles, and this simple process remains […]
Read MoreII.6 Xaxa Committee report- Summary
Aspects related to legal regulations of Tribes and tribal areas (1) Laws and policies enacted by the Parliament and State Legislatures should not be automatically applied in the Fifth Schedule areas (as was the case under colonial rule or as is presently the case in the Sixth Schedule areas). Its applicability should be made contingent on the discretion […]
Read MoreI.9.8 Non-infectious diseases.
Non-infectious diseases Noninfectious diseases include all diseases that are not caused by pathogens. Instead, noninfectious diseases are generally caused by genetic or environmental factors other than pathogens, such as toxic environmental exposures or unhealthy lifestyle choices. Most non-infectious diseases have a complex, multifactorial set of causes, often including a mix of genetic and environmental variables. […]
Read MoreI.9.6 Age, sex and population variation as genetic marker- HP
In man, both proteins (present in serum portion of the blood) and enzymes (present within the red blood cells/erythrocytes) have been screened for polymorphisms. Generally, the discovery of polymorphisms of serum protein preceded that of red cell enzymes in man. The first to be discovered was haptoglobin (HP) reported by Smithies , followed by Transferrin […]
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