kester.t_
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I’d like peoples opinions on the following question and if possible backed up with evidence...

How has medical advances effected speciation in humans?

For example, sometimes if a baby’s head is too large to enter out naturally a c-section is needed this would mean that more babies with larger heads (that originally would not have survived) are born

does this mean that due to the medical advancement of caesareans natural selection is hindered?
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Plaguedbyfoibles
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(Original post by kester.t_)
I’d like peoples opinions on the following question and if possible backed up with evidence...

How has medical advances effected speciation in humans?

For example, sometimes if a baby’s head is too large to enter out naturally a c-section is needed this would mean that more babies with larger heads (that originally would not have survived) are born

does this mean that due to the medical advancement of caesareans natural selection is hindered?
I think you may need to reword your question, as I am fairly certain that speciation is where an ancestral species separates into two or more descendant species that can no longer interbreed due to genetic incompatibility.
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