Before revision: However, they state that given a modest heritability of sexual orientation, it would be expected that biological children of non-heterosexuals would be more likely to have a non-heterosexual orientation for biological reasons .
After revision: However, they state that given a modest heritability of sexual orientation, it would be expected that biological children of non-heterosexuals would be more likely to have a non-heterosexual orientation due to genes aloneeven .