Yes, although there is little chance of seeing much variation in fruit quality, though there may be some in leaf shape. Morus nigra (black mulberry) from seed - #96 by Tana
But also I want to use some of the seedlings as rootstock to graft scions from some of the ancient trees that grow in my area. Some are purely female (my trees are not), some have larger fruit and I want a scion from the tree that caused a mess with the infamous M.nigra var trnavica.