Weird that they're only probably sure they know how reproduction works.
To be fair, the concept of mitochondrial Eve still trips me out.
this post was submitted on 04 Sep 2024
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At some point if you go back far enough, we're all the direct descendants of the first two fish who decided to fuck.
Your comment spawned a delightful train of thought where I imagined all the other fish trying, and failing, to successfully fuck before these two fish stumbled on how to do it.
The invention of fish Viagra was an incredible discovery.
What is "mitochondrial Eve"?
It’s the most recent common female ancestor of all humanity, as determined by mitochondrial DNA.
Or put another way. If everyone traced their family lines back through their mothers, mitochondrial eve would be the first point where all those lines converged on a single woman
There's also a Y-chromosomal Adam, but they lived many thousands of years apart. That seems very counterintuitive, but when it is explained to you by someone who knows what they're talking about (i.e. not me), it does make sense.
It helps me to remember that mitochondrial Eve isn't a fixed individual, as well.
Sit down and huff this paint. Genetics is above your comprehension.
It's nice the person realized their story was full of holes and then started poking at them. I'm not sure I would have the confidence to tell bad fiction and then rip it apart with equally flawed logic. So brave.