I feel like a lot more direct genetic evidence has surfaced: 1, 2, 3, 4.
Those first 4 links, I think, are pretty unconvincing in isolation, but this one is fine.
[Disclaimer 1: I just linked things that I remembered off the top of my head.]
[Disclaimer 2: I think that the case for hereditarianism was quite overwhelming even 14 years ago, so you should consider me biased.]
I feel like a lot more direct genetic evidence has surfaced: 1, 2, 3, 4.
Those first 4 links, I think, are pretty unconvincing in isolation, but this one is fine.
[Disclaimer 1: I just linked things that I remembered off the top of my head.]
[Disclaimer 2: I think that the case for hereditarianism was quite overwhelming even 14 years ago, so you should consider me biased.]