mutations that occur after reproduction are never weeded out since the genes are passed on already, so natural selection on its own can result in this, just like cancer or lower safeguards against cancer such as short telomeres in humans
This isn’t quite true, is it? A mutation that killed 5 years after childbirth would result in higher mortality rates for the child.
This isn’t quite true, is it? A mutation that killed 5 years after childbirth would result in higher mortality rates for the child.