ViLco wrote:

> Simplifying: there are hermaphrodyte ones and they have gonads, there are
> sexed ones and the female ones have a roe.

I think I see the confusion; you seem to believe that gonads are only
associated with males. If that's the case, see this definition from
merriam-webster.com:

gonad: A reproductive gland (as an ovary or testis) that produces gametes.

How do you think female scallops *make* their roe?

Bob