Based on the lifestyle of a modern person, is it possible today to assume any physiological changes in the body in the further course of evolution?

Based on the lifestyle of a modern person, is it possible today to assume any physiological changes in the body in the further course of evolution?

BKOA Hoshana Raba 2020

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answers (3)

Answer 1
September, 2021

No. Changes occur and persist in future generations only if they (changes) provide advantages in survival and reproduction in comparison with individuals that do not have such changes. Modern homo sapiens does not need to adapt to environmental conditions, because learned to adapt the environment to their needs. And modern society allows almost all of its members to survive and give birth.

Answer 2
September, 2021

Yes, but they are so point-like and affect some small physiological processes that it makes sense to talk about them purely in the scientific environment. And it would be good to wait another couple of hundred years, at least. Even taking into account the fact that geneticists and ecologists are now reconsidering their attitude to the rate of evolution, it is worth recognizing that nothing can change significantly in a couple of decades, from the point of view of fixing it at the genetic level and passing it on to the next generations.

Answer 3
September, 2021

No. Because nature acts very slowly (hundreds to thousands of generations), and the modern way of life will disappear in less than half a century. Try to remember how people lived in 1969 and compare it with the current situation.

But genetic modifications are quite possible, although poorly predictable.

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