Thats OK Celivia ; The Book ; I suppose it is one of those Subject things we will possibly never fined definitive answers for.
But it does provide some information on the possible ecological / Geological events of days gone by.
And with the absents of Physical evidence, apart from what Archeology/ Manuscripts/ Tablets inscriptions etc, have provided and the more important Scientific view point beyond Post Modern philosophies.

And that other subject of Anthropology and that publications references are powerful.

I only found it interesting because of the similarities that are notable in some tribal behavior and Legends/ Myths; on all corners of the globe.
To have an open mind is all anyone can ask.

I'm just curious as to why Philo keeps asking the same question. It's been answered a number of times now.

Genes don't get 'lost', thats absurd. Genes mutate. Mutations eventually result in adaptation. It's pretty simple really. Learn basic biology, and stop wasting peoples time with ridiculous questions.