Want some proof that food preferences/tastes are hard wired, not totally learned. Watch these two eat.
They were introduced to the same foods at the same time at the start of life. They have been encouraged in the same way. They eat every meal side by side. I fill their plates with the EXACT same things, in the exact same arrangements.
One could just eat bread.
The other could just eat greens.
And so between them both, you see,
They licked the platter clean.
Kate just 'shared' her salad with her sister. 'Cause she no like saaaaalad.