I learned about the gamete size playing a role from one of the profs here while discussing the scenario. He agreed though that the odds of such closely related species having opposite gametes would be very rare.
Personally i dont mind hybrids that much as long as the individual is healthy and thriving. I'm glad that i found someone to discuss this with that has an idea about the matter rather than sitting alone or rambling on to someone who has no idea what i'm talking about.
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