That is quite remarkable.....
Here you are, saying that you have
no idea what a DNA bottleneck is... but that didn't stop you post after post denying this evidence, calling it a "belief" and just sticking to your biblical flood story.
So much for intellectual honesty I guess.....
But no matter. Ignorance is not a problem, because it can be easily fixed. All it takes is a little bit of studying and a bit of reasoning.
I actually already explained multiple times what a DNA bottleneck is. But I'll do so again...
Individuals (not just humans, but all species) reproduce with variation. This is
genetic variation. This
variation is also how we can determine kinship between individuals.
For example, there will be LESS variation between you and your brother then there would be between you and some random guy in another country.
The
larger the populationsize, the
more variation there will be in the collective genome of that population.
If the population shrinks heavily for whatever reason, a lot of that variation is lost.
If you have a population of say 1.000.000 and some catastrophic event reduces it to a mere 5000, that's some SERIOUS loss in genetic variation.
This is when the "genetic bottleneck" is formed. We can detect that such bottlenecks occured in the past and can even put a relativly accurate estimation on it about how long ago the population size got reduced. We are even able to provide an approximation of how small the population size became during whatever event that caused that mass deaths.
As I said, these bottlenecks are already identifiable when population sizes are reduced to a couple thousand. In the flood story, population sizes are even reduced to a measly 2 to 14!!! That would constitute the most extreme genetic bottleneck known to this day!!!
But when we actually do some DNA analysis for various species.... no such bottlenecks are found.
If this flood story is true, then those bottlenecks
MUST be there. If they aren't, then the story
can not be correct. It just can't.
And, as we have already seen... these bottlenecks do not show up. Anywhere.
They do not exist.
Hence: story is refuted, false, debunked.
Population bottleneck - Wikipedia