The authors administered inventories of vocational and recreational interests and talents to 924 pairs of twins who had been reared together and to 92 pairs separated in infancy and reared apart. Factor analysis of all 291 items yielded 39 identifiable factors and 11 superfactors. The data indicated that about 50% of interests variance (about two thirds of the stable variance) was associated with genetic variation.
At a guess reducing interest variance to a single number is inappropriate. For example I imagine the correlation between twins both liking maths is much higher than them both being interested in a specific branch of maths.
In this particular case I think the clone is far more like to be interested in AI or philanthropy in general than the particular cross section of the two that is AI safety research.
From this study from 1993,
It should be noted that these sorts of studies likely underestimate heritability, due to measurement error. See e.g. this for more info.
At a guess reducing interest variance to a single number is inappropriate. For example I imagine the correlation between twins both liking maths is much higher than them both being interested in a specific branch of maths.
In this particular case I think the clone is far more like to be interested in AI or philanthropy in general than the particular cross section of the two that is AI safety research.