First I have to confess I have only read the OP ...I will read the other posts after I have posted here.
Personally...I believe Eve would have..at some point.
I have often wondered just how long they both lived in the Garden before eating...it may have been years!!
"For me" the bible patterns are there for a reason...I do not believe Adam would have eaten first.
I believe, for love sake...after she had eaten, he chose to eat. He chose her ..he wanted to be 'with her'. Just as the Last Adam chose to lay down His life for His Bride.
Yes, I believe it was destiny. God's divine Plan.
If it were not so...then God wouldn't have set the tree there with the Serpent in it.
Some people, because of of childhood Sunday School say she bit into an apple

I personally believe she took into herself the seed of Doubt. "
Hath God said ..." She took it and believed it, and passed it on the Adam..
Just my own thoughts. ♥︎