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Sav [38]
3 years ago
8

How does human evolution or natural selection relate to the susceptibility of disease?

Biology
2 answers:
Norma-Jean [14]3 years ago
8 0

Diseases are believed to continue in human populations originally because of a balance among mutation, genetic drift, and natural selection, with alleles that provide to infection preceded by mutation, directed in part by stochastic genetic drift, but eventually excluded from the population by cleaning selection.

Those most susceptible are more likely to get complications and die or be less fit. If the sensitivity were genetic fewer survivors would presumably have some descendants. Those with better resistance would rise in proportion to those with comparatively lacking immunity all other things being alike. That change in the ratio of genetic types would be evolution by natural selection. Modern medicine involves that a bit by usually curing most diseases.

kykrilka [37]3 years ago
4 0
Human evolution known to be a process in which species adapt to certain conditions of life, and in the battle of life and death, they are forced to become stronger in order to survive in this world. Diseases have always been present during the evolution, acting themselves as a natural selectors - the weaker organisms get sick and die. Not just humans, but all species have to establish a great protecting mechanism in order to survive. That is how our bodies are built, to be able to withstand and survive in the conditions we live in, and that is why our immune system has to be taken care of.  
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